CREATE TABLE table_49677 ("Date" CLOB, "Venue" CLOB, "Opponents" CLOB, "Score" CLOB, "Comp" CLOB, "Attendance" CLOB)

When was G teborg the opponent with a score of 3-1?
SELECT "Date" FROM table_49677 WHERE "Opponents" = 'göteborg' AND "Score" = '3-1'
SELECT "Date" FROM "table_49677" WHERE "Opponents" = 'göteborg' AND "Score" = '3-1'