Title: Pancake house
Content:  As of 2012, Cracker Barrel, whose menu is based on traditional Southern cuisine with appearance and decor designed to resemble an old-fashioned general store, operates 620 stores in 42 states. As of 2006, Denny's has 1,600 restaurants. IHOP has over 1,550 total locations in the United States and in other countries. Waffle House is a restaurant chain that has over 1,500 locations in the United States. The Original Pancake House has over 100 franchise restaurants in the United States, and in Portland, Oregon, where it was founded, it has been open since 1953. It is known for offering a wide range of breakfast dishes and items. Sears Fine Food, a pancake house in San Francisco, California, has been serving Swedish pancakes since 1938. In Oklahoma City, Oklahoma, Beverly's restaurant (now named Beverly's In The Rough) opened as a pancake house on May 19, 1921. The restaurant still prepares pancakes from scratch.
Title: CKE Restaurants
Content:  , there were over 3,800 franchised or company-operated restaurants in 44 US states and 43 foreign countries and US territories.
Title: Burger King franchises
Content:  States with possible control of hundreds of locations in twenty states. Three months after the acquisition, Carrols saw a 37.8% increase in total sales and 8.9% same store sales with a 4.9% increase in customer traffic. As of the end of Burger King's 2012 fiscal year, Carrols operates over 575 restaurants in New York, Ohio, and eighteen other states. On February 20, 2019 it was reported that Carrols will purchase 55 Popeyes Louisiana Kitchens and 166 Burger Kings from Cambridge Franchise Holdings LLC. for $ 238 million. Those restaurants will be in the southern United States "structured as a tax-free merger". Carrols will give Cambridge around 7.36 million of common shares. Also included in the deal Cambridge will get 9% of Carrols preferred stock.
Title: Barbecue in the United States
Content:  is found outside of this region, the 14 core barbecue states contain 70 of the top 100 barbecue restaurants, and most top barbecue restaurants outside the region have their roots there. Barbecue in its current form came from the South, where cooks learned to slow-roast tough cuts of meat over fire pits to make them tender. These humble beginnings are still reflected in the many barbecue restaurants that are operated out of "hole-in-the-wall" (or "dive") locations; the "rib joint" is the purest expression of this. Many of these will have irregular hours, and remain open only until all of a 
Title: Krystal (restaurant)
Content:  Krystal restaurants, both company-owned and franchised, operate in Alabama, Florida, Georgia, Kentucky, Louisiana, Mississippi, South Carolina, and Tennessee. There is a Krystal in West Memphis, Arkansas (directly across the Mississippi River from Memphis, Tennessee). Krystal has also operated several restaurants in Texas over the years. It is often compared to the northern restaurant chain White Castle, and other than the South Central Kentucky and Nashville, Tennessee markets, the two restaurants' market areas do not generally overlap. Krystal maintained its corporate headquarters in Chattanooga from 1932 to 2013, and was owned by Argonne Capital Group from 2012 and ending in 2020 when Fortress Investment Group LLC and its operating partner, Golden Child Holdings acquired Krystal. In the late 1990s, Krystal emerged from a bankruptcy 
Title: Fast food restaurant
Content:  Many fast food operations have more local and regional roots, such as White Castle in the Midwest United States, along with Hardee's (owned by CKE Restaurants, which also owns Carl's Jr., whose locations are primarily on the United States West Coast); Krystal, Bojangles' Famous Chicken 'n Biscuits, Cook Out, and Zaxby's restaurants in the American Southeast; Raising Cane's in Louisiana and other mostly Southern states; Hot 'n Now in Michigan and Wisconsin; In-N-Out Burger (in California, Arizona, Nevada, Utah, and Texas, with a few locations in Oregon) and Original Tommy's chains in Southern California; Dick's Drive-In in Seattle, Washington and Arctic Circle in Utah and other western 
Title: Montana's BBQ &amp; Bar
Content:  They have 105 restaurants located in all the Canadian provinces except Quebec, and none in the three territories. As of February 2009, Montana's closed their United States locations in Michigan and New York.
Title: White Castle (restaurant)
Content:  White Castle also markets its sandwiches in 30-hamburger boxes, called a Crave Case. The figure of 30 burgers represents the number that can be produced on one of its standard grills at the same time. A "Crave Crate" is also offered, with the contents being 100 burgers. A variety of White Castle products (mostly frozen) are also sold in grocery stores. Some locations had been cobranded with Church's Chicken. Church's is a national fried chicken chain of restaurants. That co-branding arrangement ended around 2010. Around 2012, White Castle experimented with the Laughing Noodle brand that was to share space with White Castle restaurants. The Laughing Noodle concept was discarded a few years later. The Laughing Noodle brand was developed to offer supplemental variety to a White Castle Restaurant. At 
Title: Luther Burger
Content:  detailed a "doughnut burger" sold at the 2010 Indiana State Fair when discussing the imaginative and caloric "arms race" at state fairgrounds to devise new "wackier" menu items: "[a] fresh patty of beef and melted cheese sandwiched between two glazed doughnuts". The Indiana vendor explained his impetus to sell the burger after seeing Paula Deen "[do] it on TV". The 800 Cal burger was described as having a salty-sweet taste, and surprisingly ungreasy. The "Krispy Kreme Doughnut Burger" as served at the 2010 Mississippi State Fair was garnished with "lettuce, tomato and a generous slice of raw onion", and was estimated to provide 1500 Cal. The Alabama, Arizona, Louisiana, North Carolina, South Carolina, and Tulsa State Fairs also served up Luther Burger variants in 2010.
Title: California Tortilla
Content:  California Tortilla has 40 restaurant locations in 10 states (Maryland, Virginia, West Virginia, New Jersey, Pennsylvania, Connecticut, Tennessee, Kansas, South Carolina, and the District of Columbia) with upcoming units in Atlanta, Pittsburgh, and North Carolina. Some airport locations are branded as Burrito Elito. The chain is headquartered in Potomac, Maryland.

Question: how many states have a cracker barrel restaurant?
Answer: 43.