What nation scored 7 in shooting in 1920?
CREATE TABLE "list_of_most_olympic_medals_over_career" (
  "rank" real,
  "nation" text,
  "sport" text,
  "years" text,
  "games" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT "nation" FROM "list_of_most_olympic_medals_over_career" WHERE "sport"='shooting' AND "total"=7 AND "years"='1920';