Question: Who was the elder son of Sylvester Stallone that also helped co find Grindhouse Releasing?
Sentence (from "An American Hippie in Israel"): An American Hippie in Israel, also known as Ha-Trempist (from Hebrew הטרמפיסט, "The Hitch-hiker"), is a 1972 Israeli metaphorical counter-culture film written and directed by Amos Sefer starring Asher Tzarfati.
Relevant evidence: No