"last 16" meaning in English

{
  "forms": [
    {
      "form": "last 16s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "last 16 (plural last 16s)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "last sixteen"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2021 June 29, Phil McNulty, “England 2-0 Germany”, in BBC Sport",
          "text": "The last 16 was a round that carried so much jeopardy for England when the draw was made, with the knowledge that topping their group would likely mean a meeting with the ever-dangerous Germany, World Cup holders France or reigning European champions Portugal.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of last sixteen"
      ],
      "id": "en-last_16-en-noun-7LMX6F4A",
      "links": [
        [
          "last sixteen",
          "last sixteen#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "last 16"
}

{
  "forms": [
    {
      "form": "last 16s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "last 16 (plural last 16s)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "last sixteen"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms spelled with numbers",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2021 June 29, Phil McNulty, “England 2-0 Germany”, in BBC Sport",
          "text": "The last 16 was a round that carried so much jeopardy for England when the draw was made, with the knowledge that topping their group would likely mean a meeting with the ever-dangerous Germany, World Cup holders France or reigning European champions Portugal.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of last sixteen"
      ],
      "links": [
        [
          "last sixteen",
          "last sixteen#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "last 16"
}