does twa have a flight from indianapolis to houston arriving at 11am 
return flights ;return #1 on twa ;return #2 from  indianapolis ;return #3 to houston ;return #4 that are arriving at 11am ;return number of  #5 ;return if #6 is at least one
['select', 'filter', 'filter', 'filter', 'filter', 'aggregate', 'boolean']