Question: How many square miles is the city where Paycom is headquartered?

full_context: Document 1: PNC Financial Services: The PNC Financial Services Group, Inc. Type Public Traded as NYSE: PNC S&P 500 Component Industry Financial services Predecessor Pittsburgh National Corporation Provident National Corporation Founded April 10, 1845; 172 years ago (1845 - 04 - 10) Operational: January 28, 1852 Headquarters Tower at PNC Plaza Pittsburgh, Pennsylvania, United States Number of locations 2,520 branches Key people William S. Demchak (CEO) Robert Q. Reilly (CFO) Revenue US $16.423 billion (2016) Net income US $3.903 billion (2016) Total assets US $366.38 billion (2016) Total equity US $45.699 billion (2016) Number of employees 49,360 (2016) Website PNC.com
Document 2: PayPal: In 2013, PayPal acquired IronPearl, a Palo Alto startup offering engagement software, and Braintree, a Chicago-based payment gateway, to further product development and mobile services. In June 2014 David Marcus announced he was leaving his role as PayPal President; Marcus joined PayPal in August 2011 after its acquisition of Zong, of which he was the founder and CEO. David Marcus succeeded Scott Thompson as president, who left the role to join Yahoo. PayPal announced that Marcus would be succeeded by Dan Schulman, who previously served as CEO of Virgin Mobile and Executive vice president of American Express.
Document 3: Oklahoma City: According to the United States Census Bureau, the city has a total area of 620.34 square miles (1,606.7 km2), of which, 601.11 square miles (1,556.9 km2) of it is land and 19.23 square miles (49.8 km2) of it is water. The total area is 3.09 percent water.
Document 4: JPay: JPay is a privately held corrections-related service provider based in the United States with its headquarters in Miramar, Florida. The company contracts with state Departments of Correction (DOC), county jails, and private federal prisons to provide technologies and services including money transfer, email, video visitation and parole and probation payments to approximately 1.5 million inmates throughout 35 states.
Document 5: Oklahoma City: As of the 2010 census, there were 579,999 people, 230,233 households, and 144,120 families residing in the city. The population density was 956.4 inhabitants per square mile (321.9/km²). There were 256,930 housing units at an average density of 375.9 per square mile (145.1/km²).
Document 6: Oklahoma City: Oklahoma City is the principal city of the eight-county Oklahoma City Metropolitan Statistical Area in Central Oklahoma and is the state's largest urbanized area. Based on population rank, the metropolitan area was the 42nd largest in the nation as of 2012.
Document 7: Paycom: Paycom Software, Inc., known simply as Paycom, is an American online payroll and human resource technology provider based in Oklahoma City, Oklahoma. It is attributed with being one of the first fully online payroll providers and has offices throughout the U.S. It has also been recognized by Fortune magazine as one of the fastest-growing publicly traded companies in the world and Forbes' magazine ranked it one of the top five fastest-growing publicly traded technology companies in its Fast Tech rankings. Founded in 1998, it reported annual revenue of $566.3 million for 2018, up from $433 million for 2017.
Document 8: Oklahoma City: Oklahoma City has experienced significant population increases since the late 1990s. In May 2014, the U.S. Census announced Oklahoma City had an estimated population of 620,602 in 2014 and that it had grown 5.3 percent between April 2010 and June 2013. Since the official Census in 2000, Oklahoma City had grown 21 percent (a 114,470 raw increase) according to the Bureau estimates. The 2014 estimate of 620,602 is the largest population Oklahoma City has ever recorded. It is the first city in the state to record a population greater than 600,000 residents and the largest municipal population of the Great Plains region (OK, KS, NE, SD, ND).
Document 9: Oklahoma City: In 2008, Forbes magazine named Oklahoma City the most "recession proof city in America". The magazine reported that the city had falling unemployment, one of the strongest housing markets in the country and solid growth in energy, agriculture and manufacturing. However, during the early 1980s, Oklahoma City had one of the worst job and housing markets due to the bankruptcy of Penn Square Bank in 1982 and then the post-1985 crash in oil prices.[citation needed]
Document 10: Houston: According to the United States Census Bureau, the city has a total area of 656.3 square miles (1,700 km2); this comprises 634.0 square miles (1,642 km2) of land and 22.3 square miles (58 km2) of water. The Piney Woods is north of Houston. Most of Houston is located on the gulf coastal plain, and its vegetation is classified as temperate grassland and forest. Much of the city was built on forested land, marshes, swamp, or prairie which resembles the Deep South, and are all still visible in surrounding areas. Flatness of the local terrain, when combined with urban sprawl, has made flooding a recurring problem for the city. Downtown stands about 50 feet (15 m) above sea level, and the highest point in far northwest Houston is about 125 feet (38 m) in elevation. The city once relied on groundwater for its needs, but land subsidence forced the city to turn to ground-level water sources such as Lake Houston, Lake Conroe and Lake Livingston. The city owns surface water rights for 1.20 billion gallons of water a day in addition to 150 million gallons a day worth of groundwater.
Document 11: Oklahoma: Oklahoma had 598 incorporated places in 2010, including four cities over 100,000 in population and 43 over 10,000. Two of the fifty largest cities in the United States are located in Oklahoma, Oklahoma City and Tulsa, and 65 percent of Oklahomans live within their metropolitan areas, or spheres of economic and social influence defined by the United States Census Bureau as a metropolitan statistical area. Oklahoma City, the state's capital and largest city, had the largest metropolitan area in the state in 2010, with 1,252,987 people, and the metropolitan area of Tulsa had 937,478 residents. Between 2000 and 2010, the cities that led the state in population growth were Blanchard (172.4%), Elgin (78.2%), Jenks (77.0%), Piedmont (56.7%), Bixby (56.6%), and Owasso (56.3%).
Document 12: Oklahoma: Oklahoma is the 20th largest state in the United States, covering an area of 69,898 square miles (181,035 km2), with 68,667 square miles (177847 km2) of land and 1,281 square miles (3,188 km2) of water. It is one of six states on the Frontier Strip and lies partly in the Great Plains near the geographical center of the 48 contiguous states. It is bounded on the east by Arkansas and Missouri, on the north by Kansas, on the northwest by Colorado, on the far west by New Mexico, and on the south and near-west by Texas.
Document 13: WePay: WePay was founded by Rich Aberman and Bill Clerico in 2008 in Boston, Massachusetts, and is now headquartered in Redwood City, California. The original inspiration for WePay occurred to Aberman when he had difficulty raising money for his brother's bachelor party. Aberman had to collect $4,200 from 14 friends spread across the United States to pay for bottle service at a club, rent at a Florida beach house, and food. Through a series of cash, checks, and PayPal money transfers, Aberman was eventually able to collect the money he needed. Aberman found the process very burdensome and believed that there should be an easier way to collect money from people. After studying PayPal's weaknesses, Aberman asked Clerico to help him to solve this problem and create WePay.
Document 14: Oklahoma City: Oklahoma City is the capital and largest city of the state of Oklahoma. The county seat of Oklahoma County, the city ranks 27th among United States cities in population. The population grew following the 2010 Census, with the population estimated to have increased to 620,602 as of July 2014. As of 2014, the Oklahoma City metropolitan area had a population of 1,322,429, and the Oklahoma City-Shawnee Combined Statistical Area had a population of 1,459,758 (Chamber of Commerce) residents, making it Oklahoma's largest metropolitan area. Oklahoma City's city limits extend into Canadian, Cleveland, and Pottawatomie counties, though much of those areas outside of the core Oklahoma County area are suburban or rural (watershed). The city ranks as the eighth-largest city in the United States by land area (including consolidated city-counties; it is the largest city in the United States by land area whose government is not consolidated with that of a county or borough).
Document 15: Seattle: Still, very large companies dominate the business landscape. Four companies on the 2013 Fortune 500 list of the United States' largest companies, based on total revenue, are headquartered in Seattle: Internet retailer Amazon.com (#49), coffee chain Starbucks (#208), department store Nordstrom (#227), and freight forwarder Expeditors International of Washington (#428). Other Fortune 500 companies popularly associated with Seattle are based in nearby Puget Sound cities. Warehouse club chain Costco (#22), the largest retail company in Washington, is based in Issaquah. Microsoft (#35) is located in Redmond. Weyerhaeuser, the forest products company (#363), is based in Federal Way. Finally, Bellevue is home to truck manufacturer Paccar (#168). Other major companies in the area include Nintendo of America in Redmond, T-Mobile US in Bellevue, Expedia Inc. in Bellevue and Providence Health & Services — the state's largest health care system and fifth largest employer — in Renton. The city has a reputation for heavy coffee consumption; coffee companies founded or based in Seattle include Starbucks, Seattle's Best Coffee, and Tully's. There are also many successful independent artisanal espresso roasters and cafés.
ground_truth: 620.34 square miles
sub_queries: Paycom >> headquarters location Answer: Oklahoma City
How many square miles is Oklahoma City ? Answer: 620.34 square miles