Question: Which film has the director who is older than the other, What'S Up Superdoc! or Secret Beyond The Door? 
Sentence (from "Derek Ford"): Derek Ford( 6 September 1932, Essex – 19 May 1995) was an English film director and writer, most famous for sexploitation films such as" The Wife Swappers"( 1970)," Suburban Wives"( 1971)," Commuter Husbands"( 1972)," Keep It Up, Jack"( 1973)," Sex Express"( 1975)( also filmed in a graphic hardcore version)," What's Up Nurse!"( 1977) and" What's Up Superdoc!"( 1978).
Relevant evidence: Yes