PREFIX osmkey: <https://www.openstreetmap.org/wiki/Key:>
PREFIX geo: <http://www.opengis.net/ont/geosparql#>
SELECT ?osm ?name ?sport ?amenity ?leisure ?club ?wkt WHERE {
  ?osm osmkey:sport ?sport ; osmkey:name ?name .
  FILTER (REGEX(?sport, "judo|jiu-jitsu|jiu_jitsu|jujitsu|ju-jitsu|brazilian_jiu-jitsu|brazilian_jiu_jitsu|bjj|wrestling|freestyle_wrestling|greco-roman_wrestling|sambo|grappling|luta_livre|mma|mixed_martial_arts", "i"))
  OPTIONAL { ?osm osmkey:amenity ?amenity }
  OPTIONAL { ?osm osmkey:leisure ?leisure }
  OPTIONAL { ?osm osmkey:club ?club }
  ?osm geo:hasGeometry/geo:asWKT ?wkt .
}