CREATE TABLE table_37612 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Attendance" FLOAT, "Record" CLOB)

Who's the opponent of the game with the record 64-51?
SELECT "Opponent" FROM table_37612 WHERE "Record" = '64-51'
SELECT "Opponent" FROM "table_37612" WHERE "Record" = '64-51'