In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

[EX Q]: Kevin Reece Wilson (born October 23, 1961) is an American football coach and former player who is the current offensive coordinator at Ohio State University. Wilson served as the head football coach at Indiana University Bloomington from 2011 to 2016 and was the offensive coordinator at the University of Oklahoma from 2002 to 2010. Question: The 2013 Indiana Hoosiers football team were lead by which current offensive coordinator at Ohio State? Answer: Kevin Reece Wilson
[EX A]: Kevin Reece Wilson born October 23, 1961 is an American football coach and former player who is the current offensive coordinator at Ohio State University.

[EX Q]: In pre-Roman Gaul the Belgic tribe of the Veliocasses or Velocasses controlled a large area in the lower Seine valley, which retains a trace of their name, as the Vexin. According to Julius Caesar' "Commentary on the Gallic Wars" the Veliocasses participated in the tribal coalition of the Belgae that resisted the Romans in 57 BCE. In 52 they raised 3000 men to support Vercingetorix, and fought alongside the Bellovaci in the final rebellion against Roman hegemony. Question: In pre-Roman Gaul the Belgic tribe of the Veliocasses or Velocasses controlled a large area in the lower Seine valley, which retains a trace of their name, as the Vexin, in 52 they raised 3000 men to support which son of Celtillus the Avernian, leader of the Gallic tribes? Answer: Vercingetorix
[EX A]:  In 52 they raised 3000 men to support Vercingetorix, and fought alongside the Bellovaci in the final rebellion against Roman hegemony.

[EX Q]: Chad Gray (born October 16, 1971), is the lead vocalist for the groove metal supergroup Hellyeah and former lead vocalist for American heavy metal band Mudvayne. Question: On which group is this artist, who signed and numbered the lithograph for the pre-ordered album "By the People, for the People," currently a vocalist? Answer: Hellyeah
[EX A]:
Chad Gray born October 16, 1971, is the lead vocalist for the groove metal supergroup Hellyeah and former lead vocalist for American heavy metal band Mudvayne.