Question: How much money was promised in an endorsement deal by a shoe company to the first American to finish the 2011 obstacle course?
Sentence (from "American Ninja Warrior (season 3)"): After the tryouts, the top 15 competitors competed in Ninja Warrior Boot Camp with the top 10 moving on to Japan for the finals of the competition as a part of Sasuke 27 and a chance at becoming the first American to conquer the course and win a $500,000 endorsement deal with K-Swiss.
Relevant evidence: Yes