In Round 19, where did Tony Lockett play?
CREATE TABLE "most_goals_in_a_game" (
  "rank" text,
  "score" text,
  "player" text,
  "club" text,
  "opponent" text,
  "year" text,
  "round" text,
  "venue" text
);
SELECT "venue" FROM "most_goals_in_a_game" WHERE "round"='19' AND "player"='tony lockett';