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.

[EX Q]: Context: In 1979, he joined Emmylou Harris's backing band, the Hot Band Link Information: none Answer: none
[EX A]: How long had the Hot Band been active when Tony Brown joined them?

[EX Q]: Context: er next big screen venture was the indie Dare which was an official selection of the 2009 Sundance Film Festival. Link Information: none Answer: none
[EX A]: How much did the 2009 indie film Rossum appeared in gross after being an official Sundance selection?

[EX Q]: Context: One Direction performed the track on The Today Show at the Rockefeller Center on 13 November 2012, to a record crowd estimated at 15,000. " Link Information:  One Direction performed the track on The Today Show at the Rockefeller Center on 13 November 2012, to a record crowd estimated at 15,000.  Answer: Ann Curry 
[EX A]:
Who were the hosts of the show when One Direction performed on November 13 2012 at  Rockefeller Center?