Can which introduce an object clause? If so, what component is in the sentence? Example

It can guide the object clause and serve as subject, object or slogan in the clause. Such as:

Can you tell me which you like best? Can you tell me which one you like best? (object)

Could you tell me which is yours? Could you tell me which is yours? (Subject)

Can you tell me which your father is? Can you tell me which your father is? (predicative)