Question: Who was best known to be the founder of a jazz combo established in 1952?
Sentence (from "Brent Fischer"): Initially confined to performing credits, his input gradually expanded, until, by 2004, Fischer had assumed not merely a large share of the elder Fischer's arranging workload, but also active leadership of the various working ensembles hitherto directed by his father; moreover, since 2005, Brent Fischer has produced all of his father's albums, starting with "Introspectivo".
Relevant evidence: No