CREATE TABLE table_7186 ("Date" CLOB, "Opponent" CLOB, "Venue" CLOB, "Result" CLOB, "Attendance" FLOAT)

What is the Date with an Opponent that is hearts?
SELECT "Date" FROM table_7186 WHERE "Opponent" = 'hearts'
SELECT "Date" FROM "table_7186" WHERE "Opponent" = 'hearts'