What was the name of the doctor? VS What was the doctor's name?

[learning54]

Hi teachers,
Which one is more useable?
a) What was the name of the doctor?
b) What was the doctor's name?

Thanks in advance.

[bhaisahab]

Hi teachers,
Which one is more useable?
a) What was the name of the doctor?
b) What was the doctor's name?

Thanks in advance.

They are both fine.

[5jj]

They are both fine.

With a following relative clause, we'd normally use only the 'of the doctor' form:

What was the name of the doctor who treated you for malaria?