CREATE TABLE table_41918 ("Series" TEXT, "Host" TEXT, "Launch date" TEXT, "Finale date" TEXT, "Days" FLOAT, "Winner" TEXT, "Prize" TEXT)

What is Series, when Winner is Jetmir Salaj?
SELECT "Series" FROM table_41918 WHERE "Winner" = 'jetmir salaj'
SELECT "Series" FROM "table_41918" WHERE "Winner" = 'jetmir salaj'