SELECT city ,  count(*) FROM branch WHERE open_year  <  2010 GROUP BY city
Show the city and the number of branches opened before 2010 for each city.
SELECT city , count ( * ) FROM branch WHERE open_year < 2010 GROUP BY city
select city , count ( * ) from branch where open_year < value group by city
Show the city and the number of branches opened before 2010 for each city .