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?
Sentence (from "Nate Silver"): Silver first gained public recognition for developing PECOTA, a system for forecasting the performance and career development of Major League Baseball players, which he sold to and then managed for Baseball Prospectus from 2003 to 2009.
Relevant evidence: No