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'.

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?

A: Answer: - Nicki Minaj
- Jessie and the Toy Boys
- Nervo
- DJ Pauly D
- Joe Jonas
- Destinee & Paris
- The Wanted
- Howie Dorough
- Teen Angels
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Q: Context: From 1978 to 1986 he was Director of the "" ("Festival of the two worlds") in Spoleto, Italy. Link Information: none Question: What was the population of Spoleto the first year that Raffaello de Banfield was Director of the ("Festival of the two worlds")?

A: Answer: none
****
Q: Context: Nazia and Zoheb released their fourth hit album, Hotline in 1987, which featured the duo's younger sister, Zahra Hassan. Link Information:  It was produced by the Indian producer Biddu. Question: Who produced the album that featured the duo's younger sister?

A:
Answer: Biddu
****