Question: Which restaurant chain has more locations: Hungry Howie's Pizza or East of Chicago Pizza?

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Tutta Bella Neapolitan Pizzeria: Tutta Bella Neapolitan Pizzeria is an Italian restaurant chain with five locations in Washington State.  The first location was founded in 2004.  The restaurant specializes in "authentic" Neapolitan pizza and is certified by the non-profit Associaziona Verace Pizza Napoletana ("True Neapolitan Pizza Association") which certifies pizzerias that use traditional ingredients and processes.  Tutta Bella was the first restaurant in the Pacific Northwest to receive such certification.

Pizza Ranch: The Pizza Ranch, Inc., founded in 1981, is a "fast casual" restaurant chain.  Pizza Ranch offers pizza, chicken, a salad bar, and a pizza and chicken buffet.  Pizza Ranch has over 200 locations in Colorado, Illinois, Iowa, Kansas, Michigan, Minnesota, Missouri, Montana, Nebraska, North Dakota, South Dakota, Wisconsin, and Wyoming.  Pizza Ranch is the largest regional pizza franchise in Iowa, Minnesota, North Dakota, and South Dakota.

Chicago Franchise Systems, Inc.: Chicago Franchise Systems, Inc. franchises operates Italian-based Chicago-style restaurants in Illinois, Georgia, California and Missouri which specialize in Chicago-style cuisine They have operated since 1990, when they took over the popular Nancy's Pizza chain of pizzerias.  Nancy's itself was started in 1971 by Nancy and Rocco Palese, a couple who claims to have invented the concept of stuffed pizza.  Today, there are 36 Nancy's locations in Chicago metropolitan area, as well as two location in the Atlanta, Georgia area, and one in the Los Angeles, CA area.  CFS, Inc. operates Al's Beef, a popular Italian beef restaurant that is extremely well known in downtown Chicago and is regarded as one of the best beef sandwiches in the country.  CFS, Inc. just launched Doughocracy Pizza + Brews, a fast casual pizza place that gives customers the "Freedom to Choose" their own toppings on a hand stretched pizza crust that can be paired with local craft beers.  There are two Doughocracy restaurants, one in Geneva, Illinois and one in University City, Missouri, a suburb of St. Louis.

Aurelio's Pizza: Aurelio's Pizza is an Illinois restaurant chain which centers its business around the thin crust variety of Chicago-style pizza.  Aurelio's Pizza has three corporate owned stores and 37 franchised locations in 6 states.  Aurelio's Pizza is the oldest Chicago pizza franchise restaurant, franchising since 1974.

East of Chicago Pizza: East of Chicago Pizza is a restaurant chain based in Lima, Ohio offering different styles of pizza, buffalo wings, breadsticks, and subs.  They have 75 restaurants in Ohio, Georgia, Indiana, Kentucky, West Virginia, New York, Michigan and South Carolina.  The first restaurant was opened in 1982 as the Greenwich Pizza Barn in Greenwich, OH.

WingStreet: WingStreet is a restaurant chain specializing in chicken.  The restaurant chain is owned by Yum!  Brands, which also owns its sister franchise Pizza Hut.  As of September 2008, there were close to 1,600 locations in the U.S., Canada, and Australia.  They are almost always co-located with Pizza Hut.

Peppes Pizza: Peppes Pizza is a Norwegian pizza chain that serves American style and Italian style pizza.  Peppes is the largest pizza chain in Scandinavia.  The restaurant was founded by two Americans, Louis Jordan and his wife Anne from Hartford, Connecticut.  The restaurant chain is part of Umoe Catering As which consists of restaurants such as Burger King, TGI Fridays, La Baguette and Cafe Opus.  Peppes Pizza is one of the first restaurants that brought foreign food to Norway.  9 million pizzas are served by Peppes each year with deliveries in 11 cities in Norway.  Their menu was first put online in March 1995.  The servings have been described as enough for two people and that the pizza chain is "a cut above the rest".

Pizza 73: Pizza 73 is a Canadian restaurant chain that offers a number of different styles of pizza, along with chicken wings.  It has been operated by Pizza Pizza since 2007.  Toronto-based Pizza Pizza had acquired the restaurant for a total of $CAN70.2 million.  There are 89 locations throughout Western Canada, which include the provinces of British Columbia, Alberta, and Saskatchewan.  The restaurant's name originates from its original phone number: 473–7373.  Founded by David Tougas and Guy Goodwin in 1985, Pizza 73 is headquartered in Edmonton, Alberta, Canada.

Hungry Howie's Pizza: Hungry Howie's Pizza & Subs, Inc., also known as Hungry Howie's Pizza, is a franchise and the 11th largest pizza chain in the United States, with over 550 locations.  Hungry Howie's products include pizza, calzone-style subs, chicken wings and tenders, bread, salads, and brownies. Its headquarters are located in Madison Heights, Michigan in Metro Detroit.

The Chicago Pizza Pie Factory: The Chicago Pizza Pie Factory was a chain of pizza restaurants.  The chain originated in Crown Passage (off Pall Mall) as The Chicago Pizza Pie Factory and was started by entrepreneur Bob Payton in 1976-7.  The London establishment also had a bar.  This was the start of a series of restaurants forming the My Kinda Town chain.  The chain opened restaurants in places such as Paris and Barcelona, where they operated successfully for several decades.  The Paris site now houses a Burger King.

Supporting paragraphs: Hungry Howie's Pizza East of Chicago Pizza
Answer: Hungry Howie's Pizza & Subs