SELECT min(membership_amount) ,  max(membership_amount) FROM branch WHERE open_year  =  2011 OR city  =  'London'
What are the minimum and maximum membership amounts for all branches that either opened in 2011 or are located in London?
SELECT min ( membership_amount ) , max ( membership_amount ) FROM branch WHERE open_year = 2011 OR city = 'London '
select min ( membership_amount ) , max ( membership_amount ) from branch where open_year = value or city = value
What are the minimum and maximum membership amounts for all branches that either opened in 2011 or are located in London ?