Given the task definition and input, reply with output. Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: Dorothee Bar (nee Mantel, born 19 April 1978 in Bamberg, Bavaria) is a German politician that has served as the National Deputy Secretary General of the Christian Social Union of Bavaria since 2009.
Question: From which political party is Dorothee Bar?
christian social union of bavaria