rank city passengers ranking airline
rank
city
passengers
ranking
airline
number
address
number
number
list length
number address number number <c, text>
1 united states, los angeles 14749 4 alaska airlines
the difference in passengers between los angeles and toronto
DT NN IN NNS IN NNP NNP CC NNP
13,547
select ( select c3_number from w where c2_address = 'los angeles' ) - ( select c3_number from w where c2_address = 'toronto' )