SELECT T1.city ,  count(*) FROM Addresses AS T1 JOIN Staff AS T2 ON T1.address_id = T2.staff_address_id GROUP BY T1.city ORDER BY count(*) DESC LIMIT 1;
Which city lives most of staffs? List the city name and number of staffs.
SELECT T1.city , count ( * ) FROM Addresses AS T1 JOIN Staff AS T2 ON T1.address_id = T2.staff_address_id GROUP BY T1.city ORDER BY count ( * ) DESC LIMIT 1 ;
select t1 . city , count ( * ) from addresses as t1 join staff as t2 on t1 . address_id = t2 . staff_address_id group by t1 . city order by count ( * ) desc limit value
Which city lives most of staffs ? List the city name and number of staffs .