{
  "fields": [
    {
      "name": "rank",
      "type": "integer",
      "title": "Rank"
    },
    {
      "name": "name",
      "type": "string",
      "title": "Name"
    },
    {
      "name": "number",
      "type": "integer",
      "title": "Number"
    },
    {
      "name": "gender",
      "type": "string",
      "title": "Gender"
    },
    {
      "name": "year",
      "type": "integer",
      "title": "Year"
    }
  ],
  "missingValues": [
    ""
  ],
  "primaryKey": [
    "year",
    "gender",
    "name"
  ]
}