How many staff does each project has? List the project id and the number in an ascending order.
SELECT T1.project_id ,  count(*) FROM Project_Staff AS T1 JOIN Projects AS T2 ON T1.project_id  =  T2.project_id GROUP BY T1.project_id ORDER BY count(*) ASC
SELECT T1.project_id ,  count(*) FROM Project_Staff AS T1 JOIN Projects AS T2 ON T1.project_id  =  T2.project_id GROUP BY T1.project_id ORDER BY count(*) ASC
[{'project_id': 3, 'count(*)': 1}, {'project_id': 4, 'count(*)': 1}, {'project_id': 7, 'count(*)': 1}, {'project_id': 8, 'count(*)': 1}, {'project_id': 9, 'count(*)': 1}, {'project_id': 15, 'count(*)': 1}, {'project_id': 1, 'count(*)': 2}, {'project_id': 5, 'count(*)': 2}, {'project_id': 11, 'count(*)': 2}, {'project_id': 2, 'count(*)': 3}]