I want to know the answer to the following question:
What film festival did Kanye West premier a film called "Cruel Summer"?
All the background I'm provided with is that "Following a headlining set at Coachella 2011 that was described by The Hollywood Reporter as "one of greatest hip-hop sets of all time", West released the collaborative album Watch the Throne with Jay-Z.". Is that enough to answer the question?
Answer: no