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
which is the busiest domestic route out of houston intercontinental airport that does not have an american flight ?
WDT VBD-AUX DT JJS JJ NN IN IN NNP NNP NN WDT VBD-AUX RB VBD-AUX DT JJ NN .