CREATE TABLE table_45909 ("Winner" TEXT, "Country" TEXT, "Winter Olympics" TEXT, "FIS Nordic World Ski Championships" TEXT, "Holmenkollen" TEXT)

Which Holmenkollen has a Country of norway, and a Winner of tom sandberg?
SELECT "Holmenkollen" FROM table_45909 WHERE "Country" = 'norway' AND "Winner" = 'tom sandberg'
SELECT "Holmenkollen" FROM "table_45909" WHERE "Country" = 'norway' AND "Winner" = 'tom sandberg'