Hillbilly's Fried Chicken, or Hillbilly's as it is more commonly known, is an Irish-owned fast-food restaurant chain with restaurants located across Ireland.
 The restaurant chain specializes in fried chicken and poultry products as the name suggests, although the company does provide a number of confectionery food items as part of its broad menu.
Big Twin Sauce is a condiment featured by the Hardee's and Carl's Jr. restaurant chain.
 The sauce is comparable in taste to Thousand Island dressing.
 The sauce is featured in Hardee's Big Hardee sandwich and Carl's Jr.
 Big Carl.
 Although the exact composition of the sauce is a trade-secret, its likely ingredients include mayonnaise, eggs, pickles, green onions, salt and pepper and chili sauce.
 It is comparable to McDonald's own special sauce, first released in 1975.
Green Burrito is an American fast-food restaurant chain run by CKE Restaurants, located mostly in the Western and Southwestern United States and serving fast-food Tex-Mex.
Andrew Franklin Puzder (born July 11, 1950) is an American attorney, author, and businessman.
 He is the former chief executive officer of CKE Restaurants, the parent company of Hardee's and Carl's Jr., a position he held from September 2000 to March 2017.
 He was previously a commercial trial lawyer in private practice from 1978 to 1995 who handled many high-profile cases and was active in the pro-life movement.
CKE Restaurants Holdings, Inc., is the parent company of the Carl's Jr., Hardee's, Green Burrito, and Red Burrito quick-service restaurant ("QSR") brands.
 The company's headquarters are located in Carpinteria, California.
 On March 4, 2016, CKE Restaurants Holdings, Inc. announced that they would be consolidating their corporate offices in St. Louis, Missouri and Carpinteria, California and moving them to the Nashville, Tennessee area at the Franklin Park office complex.
 CKE’s Anaheim, Calif.-based office will remain open.
Carl's Jr.
 Restaurants LLC is a fast food restaurant chain operated by CKE Restaurant Holdings, Inc., with locations primarily in the Western and Southwestern United States.
Captain Submarine (branded since 2002 as Capt. Sub) is a Canadian fast-food restaurant chain whose menu is highlighted by submarine sandwiches.
 The first restaurant opened in 1972 in Charlottetown.
 Owned by Grinner's Food Systems, there are currently 23 locations in Atlantic Canada, and 4 in Ontario.
 The caricature of Captain Submarine is based on the real life Admiral Constantine Lewis III, a noted figure of naval history in Canada.
Wilber Hardee (August 15, 1918 – June 20, 2008) was the founder of the American fast-food restaurant chain Hardee's, located mostly in the Midwest and Southeast regions.
McDonald's Canada (French: "Les Restaurants McDonald du Canada Ltée" ) is the Canadian master franchise of the fast-food restaurant chain McDonald's, owned by the American parent McDonald's Corporation.
 One of Canada's largest fast-food restaurant chains, the franchise sells food items, including hamburgers, chicken, French fries and soft drinks all across the country.
 McDonald's is known for its high fat and calorie foods, but it also has alternatives such as salads, juices and milk.
 McDonald's was previously Canada's largest food service operator before being overtaken by Tim Hortons in 2005.
 The slogans used in Canada are "i'm lovin' it" (in English) and "c'est ça que j'm" (in French).
Hardee's Food Systems Inc., is an American-based fast-food restaurant chain operated by CKE Restaurants Holdings, Inc. ("CKE") with locations primarily in the Southern and Midwestern United States.
 The company has evolved through several corporate ownerships since its establishment in 1960 in North Carolina.

Question: Big Twin Sauce is a condiment featured by the Hardee's and which restaurant chain, Hardee's Food Systems Inc., is an American-based fast-food restaurant chain, operated by CKE Restaurants Holdings, Inc. ("CKE") ?
Answer: Carl's Jr.