CREATE TABLE table_11880 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Site/Stadium" CLOB, "Loss" CLOB, "Attendance" CLOB, "Record" CLOB)

Who was the opponent at Baum Stadium on April 6?
SELECT "Opponent" FROM table_11880 WHERE "Site/Stadium" = 'baum stadium' AND "Date" = 'april 6'
SELECT "Opponent" FROM "table_11880" WHERE "Date" = 'april 6' AND "Site/Stadium" = 'baum stadium'