TASK DEFINITION: In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
PROBLEM: Context: spin-off show Holby City Link Information: Casualty, stylised as CASUALY, is a British medical drama series that airs weekly on BBC One. It is the longest-running emergency medical drama television series in the world, and the most enduring medical drama shown on prime time television in the world. Created by Jeremy Brock and Paul Unwin, it was first broadcast in the United Kingdom on BBC One on 6 September 1986.  Answer: 13

SOLUTION: How long had Casualty been airing before its spinoff first aired?

PROBLEM: Context: Yeh Jawaani Hai Deewani ( This youth is crazy) is a 2013 Indian romantic drama film, directed by Ayan Mukerji, written by Mukerji and Hussain Dalal, and produced by Link Information: Karan Johar entered the film industry as an assistant director on Aditya Chopra's Dilwale Dulhania Le Jayenge (1995) Answer: 1995

SOLUTION: When did the producer of Yeh Jawaani Hai Deewani start working in the field of film?

PROBLEM: Context: Manuelito, the most important chief refusing to relocate to the Bosque Redondo Reservation, jointly led Black Hawk's raids on Mormon settlements in southern Utah during 1866 Link Information: Chief Manuelito (1818–1893) was one of the principal headmen of the Diné people before, during and after the Long Walk Period Answer: Diné

SOLUTION:
What clan did the chief who joined Black Hawk after refusing to relocate belong to?