Biz onların hangi trenle geleceklerini bilmiyorduk.
- We didn't know on which train they'd be coming.
O, onu hangi kitabı satın alacağı konusunda yönlendirdi.
- She advised him on which book to buy.
... Speaker: Which she doesn't have. ...
... question, which may very well be, how does it compare to the ...