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.

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
In 52 they raised 3000 men to support Vercingetorix, and fought alongside the Bellovaci in the final rebellion against Roman hegemony.

"Den Pobedy" (Russian: , English: Victory Day ) ranks among the most popular in the large corpus of Russian songs, devoting to Second World War. The song refers to the Victory Day (9 May) celebration and differs from most of these by its cheerful intonations of a marching song and by the fact that it was composed some thirty years after the war. In the words of Vladimir Shainsky, a veteran composer, "the song seemed to have turned back the time. Although written three decades after the war, it now seems that it was this song that helped us to gain the victory". Question: The person who composed Den Pobedy was from what country? Answer: Russia
In the words of Vladimir Shainsky, a veteran composer, the song seemed to have turned back the time.

The Grand Tour is a British motoring television series for Amazon Video presented by Jeremy Clarkson, Richard Hammond and James May and produced by Andy Wilman. Question: James May is a co-presenter of which British motoring television series for Amazon Video? Answer: The Grand Tour
The Grand Tour is a British motoring television series for Amazon Video presented by Jeremy Clarkson, Richard Hammond and James May and produced by Andy Wilman.