Question: Are both directors of films Pirogov (film) and Sirivennela from the same country?
Sentence (from "Pirogov (film)"): Pirogov is a 1947 Soviet biopic film directed by Grigori Kozintsev, based on the life of Russian scientist and doctor Nikolay Ivanovich Pirogov( 1810- 1881).
Relevant evidence: Yes