Question: Where did the third collaboration open by Richard Rodgers  and Oscar Hammerstein II , The form began to flourish in the late 1960s?
Sentence (from "Cinderella (musical)"): It is based upon the fairy tale Cinderella, particularly the French version "Cendrillon, ou la Petite Pantoufle de Verre", by Charles Perrault.
Relevant evidence: No