What are the names of the singers and number of concerts for each person?
SELECT T2.name ,  count(*) FROM singer_in_concert AS T1 JOIN singer AS T2 ON T1.singer_id  =  T2.singer_id GROUP BY T2.singer_id
SELECT T2.name ,  count(*) FROM singer_in_concert AS T1 JOIN singer AS T2 ON T1.singer_id  =  T2.singer_id GROUP BY T2.singer_id
[{'Name': 'Timbaland', 'count(*)': 2}, {'Name': 'Justin Brown', 'count(*)': 3}, {'Name': 'Rose White', 'count(*)': 1}, {'Name': 'John Nizinik', 'count(*)': 2}, {'Name': 'Tribal King', 'count(*)': 2}]