rank city passengers top carriers
rank
city
passengers
top carriers
number
address
number
list length
number address number <c, text>
1 los angeles, ca 700000 american, spirit, united
how many domestic routes out of houston intercontinental have united as a carrier ?
WRB JJ JJ NNS IN IN NNP NNP VBD-AUX VBN IN DT NN .