Question: Cheburashka is voiced by a Soviet and Russian actress and singer who was active from 1951 until what year?
Sentence (from "Irina Alfyorova"): Irina Ivanovna Alfyorova PAR (Russian: Ири́на Ива́новна Алфёрова ; born 13 March 1951, Novosibirsk, Soviet Union) is a Soviet and Russian actress.
Relevant evidence: No