Question: Between Donatos Pizza and Shakey's Pizza, which of the two restaurants has more locations across the United States?

Context paragraphs:
Your Pie: Your Pie is an American fast casual pizza concept, that was started in Athens, Georgia in 2008 by Drew French, and operates as a restaurant franchise with 58 locations across the United States.  Your Pie provides customizable 10-inch pizzas and build-your-own panini sandwiches and bread bowl salads.  Your Pie uses brick ovens to cook pizzas at a high temperature for a short amount of time.  Gelato (Italian ice cream), craft beer and wine are also available.  The interior décor differs from store to store, but all locations blend “old Italian” style with a modern, artistic approach.

Happy Joe's: Happy Joe's Pizza & Ice Cream Parlor is an American pizza parlor chain based in Bettendorf, Iowa.  The restaurant chain was founded in 1972 by Lawrence Joseph "Happy Joe" Whitty, a former Shakey's Pizza manager.  Its 61 restaurants are mostly located in the Midwestern United States (in Iowa, Illinois, Missouri, Minnesota, North Dakota and Wisconsin). , although the company is also present in Arizona.  The idea for Happy Joe's came from a combination of a pizza parlor and ice cream palace.

Shakey's Pizza: Shakey's Pizza is a pizza restaurant chain based in the United States.  Founded in 1954, it was the first franchise pizza chain in the United States.  The chain currently has about 500 stores globally, and about 60 in the United States.

Fox's Pizza Den: Fox's Pizza Den is a pizzeria chain based in Murrysville, Pennsylvania, United States.  It was founded in 1971 by Jim Fox in Pitcairn, Pennsylvania, and currently has more than 250 locations in 28 U.S. states, all franchise-owned.  Fox's Pizza Den has consistently ranked among the Top 25 pizza chains in the world.  The Small Business Administration named Jim Fox as one of the country's top entrepreneurs during National Small Business Week, May 5–11, 2002.  Since that time, many Fox's Franchises have closed due to a poor business model.  The alarming rate of failure lead to the SBA discontinuing the lending of money for Fox's Franchises.  Fox's Pizza was ranked "Best Pizza Franchise" in 2007.

Sir Pizza: Sir Pizza is an United States chain of pizza restaurants.  Wendell Swartz opened the original restaurant in Lafayette, Indiana in 1957 under the name of Pizza King.  Sir Pizza was incorporated in 1965.  In 1966, Robert Swartz, Wendell's brother, expanded Pizza King outside of Indiana under the name of "Sir Pizza".  In Indiana, they are franchised under the "Pizza King" name, one of two chains in Indiana using that name.

Newman, Illinois: Newman is a city in Douglas County, Illinois, United States.  The population was 865 at the 2010 census.  Newman has two restaurants: Pizza Man and Country Junction, it also has a Library District, a BP gas station and a bank.  The main street is Broadway.  The children go to school at Shiloh CUSD #1.

Papa Murphy's: Papa Murphy's, a business based in Vancouver, Washington, United States, is a take-and-bake pizza company.  It began in 1995 as the merger of two take-and-bake pizza companies: Papa Aldo's Pizza (founded in 1981) and Murphy's Pizza (founded in 1981).  The company and its franchisees operate more than 1,300 outlets in the United States and Canada.  Papa Murphy's is the fifth-largest pizza chain in the United States.

Greek pizza: This style of pizza may be referred to as "Greek pizza" even when it has non-Greek toppings, since it is typical of pizzerias owned by Greek immigrants.  (These pizzas are similar to the pizzas served in Italian-style restaurants in Greece itself.)  These establishments often also sell Greek specialties, such as Greek salads and gyros, and tend to brand themselves as "Pizza and Pasta" or as a "House of Pizza"; a code signifying that it is not an Italian restaurant, but a Greek restaurant serving Italian-style food.  In the United States, the latter usage is common in New England cuisine.

Little Caesars: Little Caesar Enterprises Inc. (doing business as Little Caesars) is the third-largest pizza chain in the United States, behind Pizza Hut and Domino's Pizza.  It operates and franchises pizza restaurants in the United States and internationally in Asia, the Middle East, Australia, Canada, Latin America and the Caribbean.  The company was founded in 1959 and is based in Detroit, Michigan, headquartered in the Fox Theatre building in Downtown.  Little Caesar Enterprises, Inc. operates as a subsidiary of Ilitch Holdings, Inc.

Donatos Pizza: Donatos Pizza is a pizza delivery restaurant chain headquartered in Columbus, Ohio.  It has nearly 200 locations in eight states, with the majority of locations in Ohio.  Donatos is also served at several venue outlets including Ohio Stadium and the Smithsonian National Air and Space Museum.

Supporting paragraphs: Donatos Pizza Shakey's Pizza
Answer: Donatos Pizza