Question: Do both directors of films Against All Flags and An Unusual Summer have the same nationality?
Sentence (from "Against All Flags"): Against All Flags is a 1952 American pirate film directed by George Sherman and Douglas Sirk and starring Errol Flynn as Brian Hawke, Maureen O' Hara as Prudence" Spitfire" Stevens and Anthony Quinn as Roc Brasiliano.
Relevant evidence: Yes