In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

[EX Q]: Context: Minaj was one of the opening acts on Britney Spears' 2011 Femme Fatale Tour. Link Information: Opening acts.- Nicki Minaj
- Jessie and the Toy Boys
- Nervo
- DJ Pauly D
- Joe Jonas
- Destinee & Paris
- The Wanted
- Howie Dorough
- Teen Angels Question: Who were the opening acts on Britney Spoears' 201 Femme Fatale Tour?
[EX A]: Answer: - Nicki Minaj
- Jessie and the Toy Boys
- Nervo
- DJ Pauly D
- Joe Jonas
- Destinee & Paris
- The Wanted
- Howie Dorough
- Teen Angels

[EX Q]: Context: The Magyars managed to defeat Simeon's army twice, but in 896 they were routed in the Battle of Southern Buh. Link Information: none Question: Who commanded the Magyars in the battle where they were routed by the Bulgarian army?
[EX A]: Answer: none

[EX Q]: 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. Question: How long had Casualty been airing before its spinoff first aired?
[EX A]:
Answer: 13