What are the maximum, minimum, and average booked count for the products booked?
SELECT max(booked_count) ,  min(booked_count) ,  avg(booked_count) FROM products_booked
SELECT max(booked_count) ,  min(booked_count) ,  avg(booked_count) FROM products_booked
[{'max(booked_count)': 9, 'min(booked_count)': 1, 'avg(booked_count)': 4.0}]