Question: When does the Zack de la Rocha's friend born who is an American musician, best known as the bassist?
Sentence (from "Gilbert Luján"): He founded the famous Chicano collective Los Four that consisted of artists Carlos Almaraz, Beto de la Rocha (Father of former Rage Against the Machine frontman Zack de la Rocha), Frank Romero and himself.
Relevant evidence: No