How to count how many doctors are booked by each patient?

Question

I need the results to look like:

PatientID   Doctors
Patient1    3
Patient2    2
Patient3    1

The booked table looks like this

Answer 1

Use Group by over a temp table with distinct patient and doctor

 select Patient, count(*)
 from (
 select distinct Bookings.PatientID as Patient ,DoctorID as Doctors 
 from Bookings  ) as t

 Group by Patient;