CREATE TABLE table_42651 ("Stage  ( Winner ) " TEXT, "General Classification" TEXT, "Points Classification" TEXT, "Mountains Classification" TEXT, "Young Rider Classification" TEXT, "Team Classification" TEXT)

What stage (winner) has thor hushovd as a general classification, and trent lowe as a rider classification?
SELECT "Stage (Winner)" FROM table_42651 WHERE "General Classification" = 'thor hushovd' AND "Young Rider Classification" = 'trent lowe'
SELECT "Stage (Winner)" FROM "table_42651" WHERE "General Classification" = 'thor hushovd' AND "Young Rider Classification" = 'trent lowe'