system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
What is the world record for the largest gathering of people dressed up like superheroes? As in, how many people were there?
gpt
The world record for the largest gathering of superheroes is 1,580 people, set at a promotional event held in Los Angeles, California for the movie "MegaMind" in 2010.