CREATE TABLE table_31889 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Venue" CLOB, "Attendance" FLOAT)

Which Opponent had a week of 14?
SELECT "Opponent" FROM table_31889 WHERE "Week" = '14'
SELECT "Opponent" FROM "table_31889" WHERE "Week" = '14'