You will be given a definition of a task first, then some input of the task.
Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Produced by the National Film Board of Canada Cree Hunters of Mistassini received the award for Best Documentary over 30 minutes at the Canadian Film Awards as well as the Robert Flaherty Award for best one-off documentary from the British Academy of Film and Television Arts.
Answer : National Film Board of Canada
Output:
What production company was involved in Cree Hunters of Mistassini?