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: In 1978, he became the leading tenor of the Saratov Academic Opera and Ballet Theatre when he performed: Vladimir Igorevich in Borodin's Prince Igor Link Information: It was first performed in St. Petersburg, Russia, in 1890. Question: How many years after its premier did Polozov play Igorevich in Borodin's opera?
[EX A]: Answer: 82

[EX Q]: Context: Adam also co-wrote and co-starred in the movie Rats and Cats, which premiered to sell-out audiences and critical acclaim at the 2006 Melbourne International Film Festival and went on to screen at the SXSW Film Festival in 2009. Link Information: none Question: Who else co-starred in the movie that Zwar co-wrote that premiered to sell-out audiences at the 2006 Melbourne International Film Festival?
[EX A]: Answer: none

[EX Q]: Context: "Midnight Sun" is a song recorded by the Romanian female singer Elena Gheorghe. The song was recorded in summer 2010 and premiered on November 15, 2010 Link Information: Elena Gheorghe (born 30 July 1985 Question: How old was the singer who recorded "Midnight Sun" when it premiered?
[EX A]:
Answer: 25