CREATE TABLE table_15696 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Record" CLOB)

Which opponent has a record of 52-52?
SELECT "Opponent" FROM table_15696 WHERE "Record" = '52-52'
SELECT "Opponent" FROM "table_15696" WHERE "Record" = '52-52'