Question: Iron City is now produced in a brewery that was once used to produce beer from company that was founded in what year?

Context paragraphs:
Janssen and Bechly Brewery: Janssen & Bechly Brewery produced beer at Neubrandenburg, Germany from 1912 until the company was nationalized by East Germany in 1949.  The brewery continued to produce beer under the Neubrandenburg and Nordbräu brand names until the company ended production in 1995.  The Nordbräu brand was sold to the Mecklenburg brewery Lübzer in 1996.

Brewery: A brewery or brewing company is a business that makes and sells beer.  The place at which beer is commercially made is either called a brewery or a beerhouse, where distinct sets of brewing equipment are called plant.  The commercial brewing of beer has taken place since at least 2500 BC; in ancient Mesopotamia, brewers derived social sanction and divine protection from the goddess Ninkasi.  Brewing was initially a cottage industry, with production taking place at home; by the ninth century monasteries and farms would produce beer on a larger scale, selling the excess; and by the eleventh and twelfth centuries larger, dedicated breweries with eight to ten workers were being built.

Union Brewery (Iowa): The Union Brewery is a historic brewery building in Iowa City, Iowa.  The brewery was founded in 1856 by German immigrants Anton Geiger and Simeon Hotz.  Conrad Graf was the brewery's brewmaster, and its beer was named Graf's Golden Brew after him; Graf later came to own the brewery after Geiger's death.  Graf was instrumental in inciting the 1884 Iowa City beer riots, a popular uprising against Iowa's new prohibition law; the rioting mob injured multiple law officers and city attorneys, one of whom successfully sued Graf for $7,000.  The brewery continued to operate until Prohibition; during Prohibition, it attempted to produce soda, but residual yeast spores caused the soda to ferment.

The Booth Brewing Co.: The Booth Brewing Co. is a microbrewery headquartered in Seoul, South Korea.  Sunghoo Yang, a former investment analyst, Heeyoon Kim, a former Korean medicine doctor, and Daniel Tudor, a journalist for The Economist founded the brewery in 2015, after operating a pizza pub since 2013 [].  They acquired the brewing facility in Eureka, California, previously owned by Lost Coast Brewery, in 2015.  They are well known for Taedonggang Pale Ale, a collaboration beer with Danish microbrewery Mikkeller, and also for being the second foreign craft brewer to produce beer in their own facility in the United States.

Duff's Business Institute: Duff's Business Institute is the former name of Everest Institute's Pittsburgh campus.  It offers career college programs in a variety of areas.  The for-profit college was founded in 1851 as Duff's Mercantile College and has also been known as The Pioneer Business College in America, Iron City Commercial College, and Duff's Iron City College.

Heavy Seas Beer: Heavy Seas Beer is brewed by Clipper City Brewing Company, in Baltimore, Maryland.  The brewery was established by Hugh Sisson in 1995.  Previously, Sisson operated Maryland's first brewpub, Sisson's.  In 2010, the brewery rebranded.  While the name of the company remains Clipper City Brewing Company, all of its beer falls under the Heavy Seas brand.  Heavy Seas hosts tours on most weekends.  It is located at 4615 Hollins Ferry Road, Suite B, in the Halethorpe section of Baltimore.  Heavy Seas currently offers a variety of beer styles in approx. 18 states within the United States.  Several Heavy Seas beers have been awarded and include the following: Cutlass Amber Lager (a repeat medal winner at the Great American Beer Festival from 2006-2010, bronze medal winner at the 2010 World Beer Cup and silver medal winner at the 2012 World Beer Cup as Heavy Seas Märzen), Powder Monkey Pale Ale (silver medal winner at the 2008 Great American Beer Festival and bronze medal winner at the 2010 World Beer Cup as Heavy Seas Pale Ale), Small Craft Warning Uber Pils (bronze medal winner at the 2004 Great American Beer Festival), Gold Ale (gold medal winner at the 2010 World Beer Cup, bronze medal winner at the 2010 Great American Beer Festival and bronze medal winner at the 2014 Great American Beer Festival as Heavy Seas Gold Ale) and Winter Storm Imperial ESB (gold medal winner at the 2008 World Beer Cup).

Have a Good Time but Get Out Alive!: Have a Good Time but Get Out Alive!  is a studio album by the Iron City Houserockers.  Although well-received critically, commercial success eluded the Iron City Houserockers outside of the rust belt.  Among the strongest tracks are the title track, "Don't Let Them Push You Around", "We're Not Dead Yet", the two-part medley of "Old Man Bar" and Junior's Bar" and "Rock Ola", Grushecky's first truly competent ballad.  According to the liner notes, E Street Band guitarist Steven Van Zandt produced and arranged five songs ("Junior's Bar", "Angela", "Running Scared", "Blondie", and "Don't Let Them Push You Around") and played lead guitar on "Junior's Bar" before leaving due to creative differences with Ian Hunter and Mick Ronson.  The album was reissued on CD format in 1999.

Latrobe Brewing Company: Latrobe Brewing Company in Latrobe, Pennsylvania, founded in 1839, was one of the largest breweries in the United States and the maker of "Rolling Rock" beer (famous for its small green bottles).  It was purchased by Labatt Brewing Company in 1987, which in turn was purchased in 1995 by the Belgian brewing conglomerate corporation Interbrew, which merged later into InBev in 2004.

Beer jam: Beer jam, also known as beer jelly, is a jam prepared with beer as a primary ingredient.  It may be a sweet or savory jam, and some have a syrupy consistency.  It may be used to glaze meats and vegetables or as a condiment.  Some companies produce beer jam commercially.

Iron City Brewing Company: The Iron City Brewing Company (also known as the Pittsburgh Brewing Company) is a beer company that until August 2009 had been located in the Lawrenceville neighborhood of Pittsburgh, Pennsylvania, United States.  On June 11, 2009, it was reported that the brewery was "moving" to Latrobe, Pennsylvania.  That move was recently completed and Iron City is now produced in the Latrobe Brewery that was once used to produce Rolling Rock.

Supporting paragraphs: Iron City Brewing Company Latrobe Brewing Company
Answer: 1839