Question: Where is the airline that operates the Russian presidential aircraft headquartered?
Sentence (from "Rossiya Airlines"): Rossiya Airlines OJSC (Russian: АО «Авиакомпания „Россия“» , "AO Aviakompaniya "Rossiya""), sometimes branded as "Rossiya - Russian Airlines" (Russian: «Россия — Российские авиалинии» , "Rossiya — Rossiyskie avialinii"), is a Russian airline headquartered in Saint Petersburg with its hub at Pulkovo Airport.
Relevant evidence: Yes