what is the satellite that uses a launch vehicle whose rocket function is launch vehicle and has more than 2 number of stages?
(AND spaceflight.satellite (JOIN spaceflight.satellite.launch_vehicle (AND (JOIN spaceflight.rocket.rocket_function m.04rkwz) (gt spaceflight.rocket.number_of_stages 2^^http://www.w3.org/2001/XMLSchema#integer))))