who was the ship builder who was responsible for building the ship with draught less than 4.0 and length 94.37?
(AND boats.ship_builder (JOIN (R boats.ship.ship_builder) (AND (JOIN boats.ship.length_overall 94.37^^http://www.w3.org/2001/XMLSchema#float) (lt boats.ship.draught 4.0^^http://www.w3.org/2001/XMLSchema#float))))