For each project id, how many tasks are there?
SELECT count(*) ,  T1.project_details FROM Projects AS T1 JOIN Tasks AS T2 ON T1.project_id  =  T2.project_id GROUP BY T1.project_id
SELECT count(*) ,  T1.project_details FROM Projects AS T1 JOIN Tasks AS T2 ON T1.project_id  =  T2.project_id GROUP BY T1.project_id
[{'count(*)': 1, 'project_details': 'porro'}, {'count(*)': 1, 'project_details': 'et'}, {'count(*)': 1, 'project_details': 'sint'}, {'count(*)': 1, 'project_details': 'doloremque'}, {'count(*)': 1, 'project_details': 'vel'}, {'count(*)': 1, 'project_details': 'deserunt'}, {'count(*)': 1, 'project_details': 'deleniti'}, {'count(*)': 1, 'project_details': 'ad'}, {'count(*)': 1, 'project_details': 'sed'}, {'count(*)': 1, 'project_details': 'consectetur'}, {'count(*)': 1, 'project_details': 'impedit'}, {'count(*)': 1, 'project_details': 'omnis'}, {'count(*)': 1, 'project_details': 'non'}, {'count(*)': 1, 'project_details': 'beatae'}, {'count(*)': 1, 'project_details': 'dolorem'}]