who is the person that designed the fastest amusement park ride as well as the surfer ride?
(ARGMAX (AND amusement_parks.ride_designer (JOIN (R amusement_parks.ride.designer) (JOIN (R amusement_parks.ride_theme.rides) m.06_g7))) (JOIN (R amusement_parks.ride.designer) amusement_parks.ride.max_speed))