Question: When was the associate and cousin of  Michael X died  who co founded black nationalism and social change organization US?
Sentence (from "Hakim Jamal"): Hakim Abdullah Jamal (March 28, 1931 – May 1, 1973) was the name adopted by African-American activist Allen Donaldson, who was a cousin of Malcolm X and later became an associate of Michael X.
Relevant evidence: Yes