CREATE TABLE table_203_637 (id NUMBER, "player" CLOB, "for" CLOB, "against" CLOB, "result" CLOB, "date" CLOB)

southampton played on may 8th , 1993 , who was their opponent ?
SELECT "against" FROM table_203_637 WHERE "for" = 'southampton' AND "date" = '8 may 1993'
SELECT "against" FROM "table_203_637" WHERE "date" = '8 may 1993' AND "for" = 'southampton'