CREATE TABLE table_37515 ("Season" TEXT, "Competition" TEXT, "Round" TEXT, "Against" TEXT, "Played" TEXT, "Drew" TEXT, "Lost" TEXT, "Goals for" TEXT, "Goals against" TEXT)

Which competition did not qualify for UEFA competitions in the 1970-71 season?
SELECT "Competition" FROM table_37515 WHERE "Lost" = 'did not qualify for uefa competitions' AND "Season" = '1970-71'
SELECT "Competition" FROM "table_37515" WHERE "Lost" = 'did not qualify for uefa competitions' AND "Season" = '1970-71'