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.
... research institute of Tohoku University, which name is ...
... Revolution was propelled forward by innovations which were the product of thinking human beings, ...