Question: How many employees does the company that is based in Columbus, OH that also sponsored 27 official money golf tournaments from February 16 to October 28 2012 have?
Sentence (from "Nationwide Mutual Insurance Company"): The company also operates regional headquarters in Des Moines, IA; San Antonio, TX; Gainesville, FL; Raleigh, NC; and Westerville, OH.
Relevant evidence: No