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.

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


[Q]: Bally is a Swiss luxury fashion company founded as "Bally & Co" in 1851 by Carl Franz Bally (1821–1899) and his brother Fritz. Its parent company is JAB Holding Company. Question: What is the parent company of this luxury fashion company for which Heidi Mount appeared in campaigns (apart from Chanel and Prada)? Answer: JAB Holding Company
[A]: Bally is a Swiss luxury fashion company founded as Bally  Co in 1851 by Carl Franz Bally 1821–1899 and his brother Fritz.


[Q]: At two separate times, Felix Mendelssohn composed music for William Shakespeare's play, "A Midsummer Night's Dream". First in 1826, near the start of his career, he wrote a concert overture (Op. 21). Later, in 1842, only a few years before his death, he wrote incidental music (Op. 61) for a production of the play, into which he incorporated the existing Overture. The incidental music includes the world-famous "Wedding March". The German title reads "Ein Sommernachtstraum". Question: A Midsummer Night's Dream is a two-act ballet choreographed by George Balanchine to Felix Mendelssohn's composed music of which famous writers play? Answer: William Shakespeare
[A]:
At two separate times, Felix Mendelssohn composed music for William Shakespeares play, A Midsummer Nights Dream.