Question: Which pizza chain began in 1979 with an outlet called Red Devil Pizza - Pizza Factory or California Pizza Kitchen?

Context paragraphs:
Del Monte Center: Del Monte Center is an open-air shopping center located in Monterey, California.  Del Monte Center is the largest shopping center on the Monterey Peninsula and the second largest shopping mall in Monterey County, California, and has the only department store in a 22-mile radius.  Del Monte Center was designed by architect John Carl Wernecke, built by Williams and Burrows Construction Company and originally opened in 1967 but expanded and renovated in 1987.  The shopping center encompasses 675000 sqft of retail space including 85 stores, one department store (Macy's), Whole Foods Market, restaurants (California Pizza Kitchen, P.F. Chang's China Bistro, Pizza My Heart, Islands Fine Burgers & Drinks, Subway, Chipotle Mexican Grill, Starbucks and Lalla Grill), a gym and spa (Energia) and a thirteen screen Century Theatres.  Petco was added in 2004, replacing Stroud's.  The existing theater complex moved in 2006, with the former complex becoming a furniture store for Macy's.

Ed LaDou: Ed LaDou (October 9, 1955 – December 27, 2007) was an American pizza chef, who is credited with popularizing gourmet California-style pizzas. Ed LaDou was the first pizza chef at Wolfgang Puck's Spago restaurant in L.A.  He also developed the first menu for the California Pizza Kitchen.

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".

Blackjack Pizza: Blackjack Pizza is a Colorado-based pizza delivery chain founded in 1983 by a former Domino's Pizza employee, Vince Schmuhl, because Domino's Pizza was the only major pizza delivery company in the Rocky Mountain region and he thought customers would appreciate an alternative.  The pizza chain is the largest in Colorado with 800 employees, some of whom work part-time.  On January 1, 2013, Blackjack Pizza was acquired by Askar Brands.

Pizza Factory: Pizza Factory Inc. is a chain of pizza restaurants in the western United States, based in Oakhurst, California.  The company began in 1979, when Danny Wheeler and his wife Carol opened Danny's Red Devil Pizza in Oakhurst.  Ron Willey and his wife Joyce subsequently opened a second location in 1981, known as Pizza Factory.

Ross Park Mall: Ross Park Mall is an upscale shopping mall located in Ross Township, Pennsylvania, north of Pittsburgh.  The mall houses over 170 retailers including anchor stores JCPenney, Macy's, Sears and Nordstrom.  An outdoor lifestyle component complements the enclosed center and features such names as California Pizza Kitchen, The Cheesecake Factory, Crate & Barrel, and L.L.Bean.

California Pizza Kitchen: California Pizza Kitchen, known within the food industry as CPK, is a polished casual dining restaurant chain that specializes in California-style pizza.  The restaurant was started in 1985 by attorneys Rick Rosenfield and Larry Flax in Beverly Hills, California, United States.

California-style pizza: 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.

Pizza delivery: 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.

Rabbe Grönblom: Rabbe Anders Grönblom (May 3, 1950 Helsinki, Finland – June 29, 2015) was a Finland-Swedish businessman who started a successful pizza business in Vaasa, Finland.  His first company—a pizzeria—was called "O sole mio" and it was founded in 1976 in the center of Vaasa.  From there he expanded to a pizza franchise chain first called "Pizzeria N:o 1".  He was known as the "Pizza-emperor" (Pizzakeisari in Finnish), because he was the founder of a well known pizza franchise chain called Kotipizza which was the new name of "Pizzeria N:o 1" which expanded fast outside of Vaasa.  The chain is said to be the biggest one in the Nordic countries.  He was also the founder of a shipping company called RG Line, a hotel chain called Omenahotelli and another pizza chain called Golden Rax Pizzabuffet.  Most of his companies are subsidiaries of Grönblom International LTD, where Rabbe Grönblom acted as director.  Golden Rax Pizzabuffet however is nowadays a part of Finland's largest hotel & restaurant company Restel Oy Ltd, where Rabbe Grönblom sat on the board.  He was also on the board of the Finnish tyre company Nokian Renkaat (since 2003).

Supporting paragraphs: Pizza Factory California Pizza Kitchen
Answer: Pizza Factory