Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Thembelihle Mkize (born 24 November 1995) is a female former water polo goalkeeper from South Africa.
Answer : female
What gender was Thembelihle Mkize?

Context : Sir (Richard) Walter Essex (13 January 1857 -- 15 September 1941) was a British businessman and Liberal Party politician.
Answer : politician
What was Walter Essex's occupation?

Context : Sven Gerich The information up to 2007 was retrieved from Die Wiesbadener Oberburgermeister seit dem Bau des neuen Rathauses (1886) (The Wiesbaden Mayors since the construction of the new town mayor hall (1886) )
Answer : Sven Gerich
Who became the leader of Wiesbaden?