Generate a correct and concise answer for the question based on the words in the context.

Context : Demon Apocalypse is the sixth book in Darren Shan's The Demonata series. 
Question : What series is the episode Demon Apocalypse part of?
The Demonata

Context : Vehicle Factory Jabalpur (VFJ) (Hindi: वाहन निर्माणी जबलपुर), is a military motor vehicle manufacturing factory located in Jabalpur, Madhya Pradesh, India, functioning under the aegis of Ordnance Factories Board controlled by the Ministry of Defence, Government of India. 
Question : What company is Vehicle Factory Jabalpur part of?
Ordnance Factories Board

Context : The Jefferson Barracks Bridge, officially the Jefferson Barracks Memorial Arch Bridge, is a bridge that spans the Mississippi River on the south side of St. Louis. 
Question : What does Jefferson Barracks Bridge cross over?

Mississippi River