Question: Which American film, Dragonslayer or Swiss Family Robinson, was shot outside London?
Sentence (from "Swiss Family Robinson (1960 film)"): Swiss Family Robinson is a 1960 American Adventure film starring John Mills, Dorothy McGuire, James MacArthur, Janet Munro, Tommy Kirk and Kevin Corcoran in a tale of a shipwrecked family building an island home, loosely based on the 1812 novel "Der Schweizerische Robinson" (literally, "The Swiss Robinson") by Johann David Wyss.
Relevant evidence: Yes