Show the city and the number of branches opened before 2010 for each city.
CREATE TABLE branch (city VARCHAR, open_year INTEGER)
SELECT city, COUNT(*) FROM branch WHERE open_year < 2010 GROUP BY city
### Context: CREATE TABLE branch (city VARCHAR, open_year INTEGER) ### Question: Show the city and the number of branches opened before 2010 for each city. ### Answer: SELECT city, COUNT(*) FROM branch WHERE open_year < 2010 GROUP BY city