Question: The Orford Express operates seasonally on a former line headquartered in what city?

Context paragraphs:
Shimabara Railway Line: The Shimabara Railway Line (島原鉄道線 , Shimabara Tetsudō-sen ) is a Japanese railway line connecting Isahaya Station, Isahaya and Shimabara-gaiko.  The line parallels the coast of Shimabara Peninsula, Nagasaki Prefecture.  This is the only railway line of Shimabara Railway (島原鉄道 , Shimabara Tetsudō ) (Shimatetsu (島鉄 ) for short), while the company also operates buses and ships.  The first section of the line opened in 1911.  The former line between Shimabara-Gaikō and Kazusa had few passengers and closed on 1 April 2008.  The line uses the older diesel-powered Kiha 20 type train which was developed in the mid-1950s.  Because of the line's vintage trains which maintain the old Japanese National Railways colors of red and beige, it remains popular among train enthusiasts.  This is the only railway on Kyushu outside the Fukuoka area that has remained privately throughout its history.

Fred. Olsen Express: Fred.  Olsen Express is an inter island ferry service based in the Canary Islands, Spain.  The company's main colours are white and yellow, with blue and red writing.  The company operates a fleet of six modern fast ferries, including the world's first trimaran fast ferry, the Benchijigua Express, which entered service in 2005.  Fred Olsen Express operates five routes throughout the Canaries.  The company is owned by the Olsen family controlled Bonheur and Ganger Rolf, that among other things also owns the shipping companies Fred.  Olsen Cruise Lines and First Olsen Tankers.

Seabourn Cruise Line: Seabourn Cruise Line is an ultra-luxury cruise line headquartered in Seattle, Washington.  The line operates all around the world, from short seven-day Caribbean cruises to exotic 100+ day around the world cruises.  It is owned by Carnival Corporation, part of the "World's Leading Cruise Lines" marketing group, which also includes Holland America Line, Princess Cruises, Carnival Cruises, Cunard Line, Costa Cruises, P&O Cruises, and AIDA Cruises.

PAL Express: PAL Express, formerly Air Philippines and Airphil Express, is an airline operating under the business name of Air Philippines Corporation.  It operates domestic and international scheduled services from Manila, Cebu, Davao and Zamboanga.  The airline has been re-branded a number of times, first as Air Philippines, then Airphil Express, and is now known as PAL Express.  After a series of financial losses, Air Philippines ceased operations until it was acquired by investors from Philippine Airlines.  After the acquisition, the airline was re-launched as PAL Express, operating some routes and slot assignments of its sister company Philippine Airlines until management decided to re-brand the carrier as a budget airline known as Airphil Express.  However, in March 2013, the company's CEO announced that the name would be reverted to PAL Express.  As a codeshare partner of Philippine Airlines, PAL Express operates as a full service carrier within a low-cost model.

Montreal, Maine and Atlantic Railway: The Montreal, Maine and Atlantic Railway (reporting mark MMA) was a Class II freight railroad that operated in the U.S. states of Maine and Vermont and the Canadian province of Quebec between 2002 and 2014.  It was headquartered in Hermon, Maine.

Fredericksburg Line: The Fredericksburg Line is a commuter rail line operated by Virginia Railway Express between Washington, D.C. and Fredericksburg, VA.  Virginia Railway Express operates 7 weekday trains, and Amtrak trains serve a few of the stations on the line.  Trackage is owned by CSX as part of their RF&P Subdivision.

Brussels Metro line 6: Line 6 of the Brussels Metro is a rapid transit line operated by STIB/MIVB, which connects King Baudouin metro station at the north-west of Brussels, Belgium to Simonis metro station at the north-west of the city center, then performing a counterclockwise loop around the center up to Simonis again.  During this loop, the line runs under the small ring road of Brussels from Porte de Hal/Hallepoort station to Yser/IJzer metro station.  It serves 25 metro stations and has 26 stops, metros on that line stopping twice at Simonis.  It exists in its current form since 4 April 2009, when it replaced the former Line 1A between King Baudouin and Beekkant.  The loop Simonis-Simonis is also served by line 2.  The line has also a common section with lines 1 and line 5 between Gare de l'Ouest/Weststation and Beekkant.  A connection with those lines is also possible at Arts-Loi/Kunst-Wet.  Starting from King Baudouin, the line crosses the municipalities of the City of Brussels, Jette, Koekelberg, Molenbeek-Saint-Jean, Anderlecht and Saint-Gilles.

Orford Express: The Orford Express, a tourist train between Magog and Sherbrooke, Quebec, operates seasonally on the former Montreal, Maine and Atlantic Railway line through Quebec's Eastern Townships.  A dinner train which operated from early May to end-December, it is owned and operated separately from the underlying tracks.

Brussels Metro line 5: Line 5 on the Brussels Metro is a rapid transit line operated by STIB/MIVB, which connects Herrmann-Debroux at the south-east of Brussels, Belgium to Erasme/Erasmus at the south-west via the city center.  It exists in its current form since April 4, 2009, when the section of former line 1A between Beekkant and King Baudouin was replaced by the section of former line 1B between Beekkant and Erasme.  Starting from Herrmann-Debroux, the line crosses the municipalities of Auderghem, Etterbeek, City of Brussels, Molenbeek-Saint-Jean, Koekelberg and Anderlecht.  It serves 28 metro stations and has a common section with line 1 between Gare de l'Ouest/Weststation and Mérode station, and with lines 2 and 6 between West station and Beekkant.  At Arts-Loi/Kunst-Wet the line also connects with lines 2 and 6.  Railway connections are possible at Brussels-Central railway station, Schuman station, Mérode and West station.

Flying Mail: The Flying Mail was a train operating between Delhi, India's national capital and Amritsar in Punjab.  The service was discontinued in 2001.  It used to leave Delhi at 12 noon and reach Amritsar by 21:00.  Before partition of India the Flying mail ran up to Karachi in Sindh (now in Pakistan) and was the fastest train between two cities.  It used to share rake with Sarayu Yamuna Express (Shaheed Express) between Delhi and Darbhanga in Bihar until 2001 when the Sarayu Yamuna Express was extended till Amritsar.  Today the Shaheed Express operates between Amritsar and Jaynagar in Bihar four days a week.  During British Indian times the Flying Mail used to leave Delhi at 12 noon and reach Lahore in Punjab (now in Pakistan) by 21:00 and the further head towards Karachi.  The return train from Karachi used to reach Lahore by 12 noon and Delhi by 21:00.

Supporting paragraphs: Orford Express Montreal, Maine and Atlantic Railway
Answer: Hermon, Maine