Competed In Both Summer And Winter Olympics

CREATE TABLE athletes (
  "athlete" VARCHAR,
  "nation" VARCHAR,
  "summer_games" VARCHAR,
  "summer_sport" VARCHAR,
  "winter_games" VARCHAR,
  "winter_sport" VARCHAR,
  "number_of_summer_games" BIGINT,
  "number_of_winter_games" BIGINT,
  "total_number_of_games" BIGINT,
  "medals_in_both" VARCHAR,
  "olympicscom_profile" VARCHAR,
  "wikipedia_profile" VARCHAR,
  "gold" BIGINT,
  "silver" BIGINT,
  "bronze" BIGINT,
  "birth" BIGINT
);