CREATE TABLE table_5121 ("Date" CLOB, "City" CLOB, "Opponent" CLOB, "Results\\u00b9" CLOB, "Type of game" CLOB)

What opponent has april 23 as the date?
SELECT "Opponent" FROM table_5121 WHERE "Date" = 'april 23'
SELECT "Opponent" FROM "table_5121" WHERE "Date" = 'april 23'