How many bookings did each customer make? List the customer id, first name, and the count.
SELECT T1.customer_id ,  T1.first_name ,  count(*) FROM Customers AS T1 JOIN bookings AS T2 ON T1.customer_id  =  T2.customer_id GROUP BY T1.customer_id
SELECT T1.customer_id ,  T1.first_name ,  count(*) FROM Customers AS T1 JOIN bookings AS T2 ON T1.customer_id  =  T2.customer_id GROUP BY T1.customer_id
[{'customer_id': 3, 'first_name': 'Rosalee', 'count(*)': 4}, {'customer_id': 7, 'first_name': 'Marilou', 'count(*)': 3}, {'customer_id': 8, 'first_name': 'Elinore', 'count(*)': 2}, {'customer_id': 9, 'first_name': 'German', 'count(*)': 2}, {'customer_id': 10, 'first_name': 'Layne', 'count(*)': 2}, {'customer_id': 11, 'first_name': 'Maximilian', 'count(*)': 1}, {'customer_id': 15, 'first_name': 'Jamir', 'count(*)': 1}]