CREATE TABLE table_49676 ("Date" CLOB, "Venue" CLOB, "Opponents" CLOB, "Score" CLOB, "Comp" CLOB, "Attendance" CLOB)

Who was the opponent at Ullevi?
SELECT "Opponents" FROM table_49676 WHERE "Venue" = 'ullevi'
SELECT "Opponents" FROM "table_49676" WHERE "Venue" = 'ullevi'