CREATE TABLE table_31667 ("Year" TEXT, "Competition" TEXT, "Opponent" TEXT, "Score" TEXT, "Venue" TEXT)

Where was the match with a score of 18.6 (114) - 21.14 (140)?
SELECT "Venue" FROM table_31667 WHERE "Score" = '18.6 (114) - 21.14 (140)'
SELECT "Venue" FROM "table_31667" WHERE "Score" = '18.6 (114) - 21.14 (140)'