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

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)'