Question: The 10th tallest building in Columbus, OH is headquarters to a popular insurance company with how many employees?

Context paragraphs:
Motorists Mutual Building: The Motorists Mutual Building is a 286 ft (87m) tall skyscraper located at 471 East Broad Street Columbus, Ohio.  It was completed in 1973 and was designed by Brubaker/Brandt and Maddox NBD.  It is the 18th tallest building in Columbus, has 21 floors, and 6 elevators.  It is also the headquarters of the Motorists Mutual Insurance company.

Kodak Tower: Kodak Tower is a 19 story skyscraper located in the High Falls District of Rochester, New York, and is part of the Eastman Kodak Headquarters complex.  It has a roof height of 340 ft and stands a total of 366 ft with its antenna spire included.  It stood as Rochester, NY’s tallest building for over 50 years from its completion in 1914 until the Xerox Square Tower surpassed it in the late 1960s.  It is currently the 4th tallest building in Rochester, NY and is the 9th tallest building in New York State outside of NYC.

Salesforce Tower (Indianapolis): Opened in 1990 near Monument Circle in Indianapolis, Salesforce Tower (formerly known as Bank One Tower, then Chase Tower, and originally conceived as American Fletcher Tower) is the tallest building in the U.S. state of Indiana.  It surpassed the AUL Tower (now OneAmerica Tower) in Indianapolis for the distinction.  The building's twin spires pierce 830 ft into the Indianapolis skyline, while the 49 floors of office and retail space and 2 floors above that store building equipment below peak at the 700 feet (214 m) roof.  It is the headquarters for Chase's (formerly Bank One's) Indiana operations.  While the building has two spires of equal height, only one of them is functional as a transmission antenna.  The other mast is merely an architectural decoration.  Designed by KlingStubbins, the Chase Tower is the 44th tallest building in the United States and 230th tallest in the world.

Nationwide Mutual Insurance Company: Nationwide Mutual Insurance Company and affiliated companies is a group of large U.S. insurance and financial services companies based in Columbus, OH.  The company also operates regional headquarters in Des Moines, IA; San Antonio, TX; Gainesville, FL; Raleigh, NC; and Westerville, OH.  Nationwide currently has approximately 31,000 employees, and is ranked #69 in the most recent Fortune 500.  Nationwide is currently ranked #71 in Fortune's "100 Best Companies to Work For".

Bank of America Plaza (Atlanta): Bank of America Plaza is a skyscraper located in between Midtown Atlanta and Downtown Atlanta.  At 312 m , the tower is the 96th-tallest building in the world.  It is the 14th tallest building in the U.S., the tallest building in Georgia and the tallest building in any U.S. state capital, overtaking the 250 m (820 ft), 50 story One Atlantic Center in height, which previously held the record as Georgia's tallest building.  It has 55 stories of office space and was completed in 1992, when it was called NationsBank Plaza.  Originally intended to be the headquarters for Citizens & Southern National Bank (which merged with Sovran Bank during construction), it became NationsBank's property following its formation in the 1991 hostile takeover of C&S/Sovran by NCNB.

JPMorgan Chase Tower (Houston): The JPMorgan Chase Tower, formerly Texas Commerce Tower, is a 305.4 m , 75-story, 2,243,013 sq.ft skyscraper at 600 Travis Street in Downtown Houston, Texas.  It is currently the tallest building in the city, the tallest building in Texas, the tallest five-sided building in the world, the 18th tallest building in the United States, and the 107th tallest building in the world.

Three Nationwide Plaza: Three Nationwide Plaza is a 408 ft(124m) postmodern highrise building located at the address 3 Nationwide Plaza in Downtown Columbus, Ohio.  The building is part of the larger multi-building complex known as Nationwide Plaza.  Nationwide Plaza is the headquarters of Nationwide Mutual Insurance Company.  Three Nationwide Plaza is the 10th tallest building in Columbus.  Construction on the building finished in December 1988.  The architect responsible was the NBBJ Group and the building design follows a postmodern style.  The building was constructed for approximately $89 million and the main materials used were glass, steel, and concrete.

International Commerce Centre: The International Commerce Centre () (abbreviated ICC) is a 108-storey (see below), 484 m commercial skyscraper completed in 2010 in West Kowloon, Hong Kong.  It is a part of the Union Square project on top of Kowloon Station.  It was the 4th tallest building in the world (third in Asia) when its construction was completed in 2010.  Now, it is the world's 10th tallest building by height, world's fifth tallest building by number of floors, as well as the tallest building in Hong Kong.

List of tallest buildings in Adelaide: This list of tallest buildings in Adelaide ranks the tallest buildings in Adelaide, South Australia by height.  The tallest building in Adelaide is currently the 31–story Westpac House, which rises 132 m and was completed in 1988, as of October 2013 it is Australia's 115th tallest building.  There are numerous projects either underway or planned in Adelaide, if constructed, Frome Central Tower 1 (11-27 Frome Street) would reach 134 m , therefore becoming the city's tallest building.  The tallest approved building in Adelaide is the Sofitel Hotel (104-108 Currie Street), which will be 115 m , it is planned to become the city's second tallest building upon completion.  Height restrictions–enforced since the 1990s–have limited the amount of skyscrapers constructed in the city although they have been eased in recent times.

555 California Street: 555 California Street, formerly Bank of America Center, is a 52-story 779 ft skyscraper in San Francisco, California.  It is the fourth tallest building in the city, the largest by floor area, and a focal point of the Financial District.  It is the 69th tallest building in the United States, one foot taller than One Worldwide Plaza in New York City and just 1 foot shorter than the 68th tallest building in the USA, which is also owned by Bank of America, the Bank of America Center in Houston, Texas at 780 ft (238 m), and just 2 feet shorter that the 67th tallest building in the USA, 30 Hudson Street in Jersey City, New Jersey at 781 ft (238 m).  Some sites round the heights of all four buildings to 780 ft (238 m) making those four buildings tied as the 67th tallest buildings in the country.

Supporting paragraphs: Three Nationwide Plaza Nationwide Mutual Insurance Company
Answer: 31,000