Question: Olga Arefieva was the student of the singer who was best known for his rendition of what song?
Sentence (from "Juanita Coco"): Juanita Suzanne Coco (10 December 1975 – 2 May 1993) was an Australian singer and actress best known for her role on the popular talent/variety show "Young Talent Time" in the late 1980s.
Relevant evidence: No