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

Context : Charlie Brooker's Screenwipe is a British television review programme created and presented by Charlie Brooker and broadcast on BBC Four. 
Question : What channel aired Charlie Brooker's Screenwipe?
BBC Four

Context : Mauvais Sang (French pronunciation: ​(movɛ sɑ̃), Bad Blood), also known as The Night Is Young, is Leos Carax's second film. 
Question : Who served as director for Mauvais Sang?
Leos Carax

Context : Peter Joseph Osterhaus (1823--1917) was Union Army General in the American Civil War and later served as a diplomat. 
Question : Which military did Peter Joseph Osterhaus serve with?

Union Army