Question: Orchard Square, a small open-air court shopping centre, contains a privately held fast food franchise which is called what?

Context paragraphs:
Pentagon Shopping Centre: The Pentagon Shopping Centre (known locally as 'The Pentagon') is a shopping centre in Chatham in Kent.  The shopping centre is located next to the Waterfront bus station which replaces the Pentagon bus station, which 80% of services use.  The shopping centre contains over 70 shops and 7 leisure facilities, many high street names in fashion, homeware and food stores.  There are also cafes, restaurants and a bowling alley.  As is common with some other 1970's era town centre shopping centres, The Pentagon does not feature a food court or any dedicated dining area.  Instead, there are various food outlets scattered throughout the centre.  Built as part of the redevelopment of Chatham town centre in the 1970s, the Pentagon also features the high rise Mountbatten House office block, which has controversially stood empty or part-used for most of its history.  The Pentagon, Mountbatten House and the Brook multi-storey carpark are built in a distinctive orange-red brick with grey concrete.

Fast food restaurant: A fast food restaurant, also known as a quick service restaurant (QSR) within the industry, is a specific type of restaurant that serves fast food cuisine and has minimal table service.  The food served in fast food restaurants is typically part of a "meat-sweet diet", offered from a limited menu, cooked in bulk in advance and kept hot, finished and packaged to order, and usually available for take away, though seating may be provided.  Fast food restaurants are typically part of a restaurant chain or franchise operation that provisions standardized ingredients and/or partially prepared foods and supplies to each restaurant through controlled supply channels.  The term "fast food" was recognized in a dictionary by Merriam–Webster in 1951.

Subway (restaurant): Subway is a privately held American fast food restaurant franchise that primarily sells submarine sandwiches (subs) and salads. Subway is one of the fastest-growing franchises in the world and, as of June 2017, has approximately 45,000 stores located in more than 100 countries.  More than half of the stores are located in the United States.  It is the largest single-brand restaurant chain and the largest restaurant operator in the world.

Elmvale Acres Shopping Centre: Elmvale Acres Shopping Centre is an open-air mall located in the Elmvale Acres neighbourhood of Ottawa, Ontario, Canada.  It opened in 1961, making it one of the oldest shopping centres in the city.  The mall is just a short 10-minute drive south of St. Laurent Shopping Centre.  The shopping centre is also just a 3-minute drive from the Canadian Museum of Science of Technology (closed until 2017).  The Smythe Medical Centre is located just across from the north end of the mall.  The mall is bounded by Smythe Road to the north, Othello Avenue to the west, Russell Road to the east, and St. Laurent Boulevard to the south.  The shopping centre has approximately 60 shops and services including Dollar Plus, LCBO, Loblaws, Rexall Pharma Plus, Royal Bank, The Beer Store, and the Ottawa Public Library.  The shopping centre is adjacent to the Elmvale Transit Station.  The size of the total complex is 147,332 square feet.  The shopping centre is currently owned by Rio-Can Real Estate Investment Trust.

Swan Court Shopping Arcade: Swan Court Shopping Arcade or Swan Courtyard is an open-air shopping centre in the town of Clitheroe in Lancashire, England.

Artane Castle Shopping Centre: Artaine Castle Shopping Centre is a small shopping centre in Artane, Dublin which opened in 1982.  Its anchor store is Tesco Ireland, with Lifestyle Sports (closed December 2016) and Penney's.  Other smaller units in the center include Gleesons Butchers, Boston Barbers, Lloyds Pharmacy, Post Office, 3 Store, Miss Daisy Florist, The Book Haven, Graham O'Sullivan restaurant, Funmax.  The shopping complex also has a branch of the local Donnycarney/Beaumont Credit Union and a McDonalds fast food outlet (Ireland's first suburban McDonalds).

Hungry Jack's: Hungry Jack's Pty Ltd is the exclusive Australian master fast food franchise of Burger King Corporation.  It is a wholly owned subsidiary of Competitive Foods Australia, a privately held company owned by Jack Cowin.  Hungry Jack's owns and operates or sub-licences all of the Burger King/Hungry Jack's restaurants in Australia.  As the master franchise for the country, the company is responsible for licensing new operators, opening its own stores and performing standards oversight of franchised locations in that country.  With over 390 locations across Australia, Hungry Jack's is the second largest franchise of Burger King in the world (second to Carrols Corporation).

Café de Coral (restaurant): Café de Coral () is a fast food franchise based in Hong Kong owned by the Café de Coral group.  The chain is one of the largest and most popular fast food chains in Hong Kong with more than 120 restaurants in operation (as of March 2004).  It was established in 1968 and today caters to about 300,000 people on an average day.

Biff Burger: Biff Burger (Best In Fast Food) was a burger fast food franchise that originated in Clearwater, Florida.  Early success in the late 1950s and early 1960s led the franchise to spread to many parts of the Southeastern United States.  However, financial woes in the 1970s sent the chain on a decline and most of its restaurants out of business by the 1980s.  Today, two Biff Burger restaurants remain.

Orchard Square: Orchard Square is a small open-air court shopping centre located in Sheffield, England.  It opened in 1987 and contains several stores, notably Schuh, Clarks, Waterstone's (with its own instore coffee house, River Island, Subway, The Body Shop and TK Maxx (which replaced the original food court).  Orchard Square also features La Coupe hair salon, Blue Banana, Evolution, Anne Heppell, Michael Spencer Jewellers, War Games Emporium and Starbucks.

Supporting paragraphs: Orchard Square Subway (restaurant)
Answer: Subway