Question: Which chain has more restaurants, Pizza Schmizza or Patxi's Chicago Pizza?

Context articles: Chicago Franchise Systems, Inc.
The Chicago Pizza Pie Factory
Pizza Schmizza
California-style pizza
Patxi's Chicago Pizza
Sir Pizza
East of Chicago Pizza
Aurelio's Pizza
Peppes Pizza
Pizza delivery

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.
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.
Pizza Schmizza is an American pizza chain with 23 locations throughout the Portland, Oregon area, and two in southern Oregon.
 Pizza Schmizza, primarily selling thin crust pizza by-the-slice.
California-style pizza (also known as California pizza or Gourmet pizza) is a style of single-serving pizza that combines New York and Italian thin crust with toppings from the California cuisine cooking style.
 Its invention is generally attributed to chef Ed LaDou, and Chez Panisse, in Berkeley, California.
 Wolfgang Puck, after meeting LaDou, popularized the style of pizza in the rest of the country.
 It is served in a number of California Cuisine restaurants.
 Such restaurant chains as California Pizza Kitchen, Extreme Pizza, and Sammy's Woodfired Pizza are three major pizza franchises associated with California-style pizza.
 Nancy Silverton's Pizzeria Mozza is also a popular California-style pizza restaurant in Los Angeles.
Patxi's is a small pizzeria chain based in the San Francisco Bay Area, founded in San Francisco, California by William Freeman and Francisco “Patxi” Azpiroz.
 They specialize in Chicago-style pizza.
 Current locations include Palo Alto, Campbell, Lafayette, San Francisco, Greenbrae, San Jose, Seattle, and Denver.
 In April, 2014, Patxi's announced plans to open sixty new stores over the next five years.
 On November 6, 2015, Patxi's partnered with UberEATS to offer $10.00 cheese pizzas that were delivered in a box that said "Little Nero's" to honor the twenty-fifth anniversary of the release of the comedy film "Home Alone".
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.
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.
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.
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 delivery is a service in which a pizzeria or pizza chain delivers a pizza to a customer.
 An order is typically made either by telephone or over the internet to the pizza chain, in which the customer can request pizza type, size and other products alongside the pizza, commonly including soft drinks.
 Pizzas may be delivered in pizza boxes or delivery bags, and deliveries are made with either an automobile, motorized scooter, or bicycle.
 Customers can, depending on the pizza chain, choose to pay online, or in person, with cash, credit or a debit card.
 A delivery fee is often charged with what the customer has bought.