Definition: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Input: Leon Redbone (True name and date of birth are unsubstantiated) is a singer-songwriter and guitarist specializing in jazz, blues, and Tin Pan Alley classics. Recognized by his Panama hat, dark sunglasses, and black tie, Redbone first appeared on stage in Toronto, Canada in the mid-1970s. Question: Who has appeared in more films, Leon Redbone or Val Avery? Answer: Val Avery
Output:
Leon Redbone True name and date of birth are unsubstantiated is a singersongwriter and guitarist specializing in jazz, blues, and Tin Pan Alley classics.