Question: Which pizza chain was founded earlier, America's Incredible Pizza Company or Ledo Pizza?

Context paragraphs:
America's Incredible Pizza Company: America's Incredible Pizza Company (AIPC) is an American restaurant chain based in Springfield, Missouri.  The restaurants are pizza buffets and entertainment centers.  The first restaurant opened in Springfield in 2002.  The company has 1,200 employees, and a revenue of $64.1 million.

John's Incredible Pizza Company: John’s Incredible Pizza Company is an American all-you-can-eat buffet restaurant and entertainment business founded by John Parlet in 1997.  The company has 11 locations on the United States West Coast.  Its corporate office is located in Rancho Santa Margarita, California.

Domino's Pizza Enterprises: Domino's Pizza Enterprises Limited (DPE) is the largest pizza chain in Australia in terms of network store numbers and network sales, as well as the largest franchisee for the Domino’s Pizza brand in the world.  DPE is the exclusive master franchise for the Domino’s brand network in Australia, New Zealand, France, Belgium, the Netherlands, the Principality of Monaco, Japan and Germany.  Across these markets, DPE has over 1900 stores.  In May 2005 DPE became the first publicly listed pizza company in Australia.

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.

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.

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.

JS Food Plan: JS Food Plan Co, Ltd. (commonly referred to as "JS" (which is an acronym for the Korean name Jae Sang) (hangul:제이에스 푸드플랜) is a franchised Korean pizza company headquartered in Yeoeuido-Dong Yeongdeungpo-gu, Seoul, Korea, established in 1998 the company is currently CEO'd by Jeong Jae Sang (정재상).  Its brand name is Pizza Segyero.  (hangul:피자 세계로) In 2005, the company became an international franchise when it expanded to Beijing, China.  The company is comparable to pizza restaurant chains such as Hankook Pizza Hut, Hankook Mr. Pizza, Chicken Nara, Domino Pizza Korea, Pizza Etang and Reach Beam.

Yellow Cab Pizza: Yellow Cab Pizza Company is a Filipino chain that retails fast food, primarily pizza.  In 2001, Yellow Cab Pizza Company was founded by Eric Puno, Henry Lee, and Albert Tan.  Max's Group, owner of restaurant chain Max's of Manila, owns the brand.  The restaurant also operates 145 branches in Qatar, United Arab Emirates, and China.

Ledo Pizza: Ledo Pizza is a pizzeria restaurant chain in the Mid-Atlantic and Southeastern United States headquartered in Annapolis, Maryland.  Their first pizzeria was opened in Adelphi, Maryland, in 1955 on University Boulevard (Maryland Route 193) in Adelphi Shopping Center near the University of Maryland, College Park ( ).  The first franchise was granted to the Fireside Restaurant in Berwyn Heights, Maryland, in 1979.  Fireside Restaurant no longer exists.  There are now over 100 restaurants in Maryland, Virginia, West Virginia, South Carolina, and Florida.

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".

Supporting paragraphs: America's Incredible Pizza Company Ledo Pizza
Answer: Ledo Pizza