Question: Iceberg Slim, given name Robert Beck,  was an American pimp who subsequently became an influential author, Beck's fiction have been acknowledged as an influence by several rap musicians, from which genre?
Sentence (from "Iceberg Slim"): Robert Beck (born Robert Lee Maupin or Robert Moppins, Jr.; August 4, 1918 – April 28, 1992), better known as Iceberg Slim, was an American pimp who subsequently became an influential author among a primarily African-American readership.
Relevant evidence: No