Question: Are both directors of films Jan Žižka (1955 Film) and Airport 1975 from the same country?
Sentence (from "Jan Hus (1954 film)"): It is the first part of the" Hussite Revolutionary Trilogy", one of the most famous works of Otakar Vávra, completed with" Jan Žižka"( 1955) and" Against All( 1957).
Relevant evidence: No