instruction:
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.
question:
Context: His brother was Malcolm Fraser (1939–2012), Emeritus Professor of Opera at the University of Cincinnati and co-founder of the Buxton Festival Link Information: The Buxton Festival is an annual summer festival of opera, music, and (since 2000) a literary series, held in Buxton, Derbyshire, in England since its beginnings in July 1979 Answer: 1979
answer:
Which year did the festival that Robert Fraser's brother helped co-found first start?


question:
Context: In 2015, he released his second studio album, Lantern Link Information: released on December 18, 2015,  Answer: Darkest Before Dawn 
answer:
What albums did Pusha T release the year Lantern was released?


question:
Context: In 1938 Rudenko was signed up to the Ballet Russe de Monte Carlo, where, at 17, she was their youngest soloist. Link Information: The company Ballets Russes de Monte-Carlo (note the plural) was formed in 1932  Answer: 6
answer:

How many years had the Ballet Russe de Monte Carlo been doing performances the year that Rudenko signed up with them?