The presence of pizza restaurant chains has contributed to a significant increase in pizza consumption in China.
 This also had an effect of introducing cheese as a culinary ingredient and everyday food in China, which was relatively uncommon in Chinese cuisine prior to the emergence of pizza chains.
 Pizza Hut opened its first store in China in 1990, and several pizza restaurant chains exist in China today.
Minor International (MINT) is one of the largest hospitality and leisure companies in the Asia Pacific Region, operating over 140 hotels and resorts, 1,800 restaurants, and 307 retail trading outlets in Thailand and in 32 markets from Africa to Australia, including South America and Europe.
 Based in Bangkok, Thailand, it operates hotels under the Anantara, AVANI, PER AQUUM, Oaks, Tivoli, Elewana Collection, Four Seasons, St. Regis, JW Marriott, Marriott, and Radisson Blu brands, owns The Pizza Company, Thai Express, and Riverside Restaurant franchises, and operates restaurants under the Swensen's, Sizzler, Dairy Queen, Burger King, and The Coffee Club brands in Thailand and other countries.
The Pizza Company (Thai: เดอะ พิซซ่า คอมปะนี ) is a restaurant chain and international franchise based in Bangkok, Thailand.
 With focus on pizza and Italian-American cuisine, it is a wholly owned subsidiary of "Minor International" (was merged with "The Minor Food Group").
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.
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.
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.
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.
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.
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.
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.

Question: Which restaurant was opened first, America's Incredible Pizza Company or Happy Joe's?
Answer: Happy Joe's