Use the words what, which and whose before nouns to ask about people or things. These words are called interrogative determiners or interrrogative adjectives.
What time is it?
What color is her hair?
What kind of clothes do you like to wear?
Which school do you go to?
Which doll is your favorite?
Which road leads to the zoo?
Which runner is the winner?
Do you know which girl won the prize?
Whose footprints are these?
Whose baby is this?
Whose dog was barking in the middle of the night?
Kaynak: Basic English Grammer Book1