Question: Carl Bialik is an American journalist, who on February 6, 2017, was named Data Science Editor of Yelp, working on Yelpblog, in late 2013, Bialik was hired by which American statistician and writer who analyzes baseball (see sabermetrics) and elections,at FiveThirtyEight.com?
{'answer': 'Nate Silver', 'supporting_facts': [['Carl Bialik', 3], ['Nate Silver', 0]]}