CREATE TABLE table_66915 ("Stage" TEXT, "Winner" TEXT, "General classification" TEXT, "Points classification" TEXT, "Mountains classification" TEXT, "Intergiro classification" TEXT, "Trofeo Fast Team" TEXT)

Which winner of stage 1 was not awarded a mountains classification?
SELECT "Winner" FROM table_66915 WHERE "Mountains classification" = 'not awarded' AND "Stage" = '1'
SELECT "Winner" FROM "table_66915" WHERE "Mountains classification" = 'not awarded' AND "Stage" = '1'