CREATE TABLE table_68867 ("Rank" CLOB, "Score" CLOB, "Player" CLOB, "Club" CLOB, "Opponent" CLOB, "Year" CLOB, "Round" CLOB, "Venue" CLOB)

In Round 19, where did Tony Lockett play?
SELECT "Venue" FROM table_68867 WHERE "Round" = '19' AND "Player" = 'tony lockett'
SELECT "Venue" FROM "table_68867" WHERE "Player" = 'tony lockett' AND "Round" = '19'