Question: What brewing company did Joseph Schiltz Brewing Company aquire in 1956? 

full_context: Document 1: Brau und Brunnen: Brau und Brunnen AG ("Brew and Spring") was a German brewing and beverage group which was formed as "Dortmunder Union-Schultheiss Brauerei AG" in 1972 through a merger between Schultheiss-Brauerei and Dortmunder Union-Brauerei. It was renamed "Brau und Brunnen" in 1988. It owned a number of formerly independent breweries, including Einbecker Brewery. Until the early 1990s, Brau und Brunnen was the largest beverage company in Germany, but its market share steadily declined throughout the 1990s. An additional cause for the decline was the company's purchase of Bavaria – St. Pauli Brewery and Jever for an estimated 800 million DM, although these purchases were later estimated to only be worth closer to 250 million DM. Other companies engaged in a series of mergers and acquisitions, and by 1999, it had sank to the fourth-largest beverage company and was continually losing money. After unsuccessful internal reorganizations, the company was purchased by Dr. August Oetker KG and integrated into its subsidiary Radeberger Gruppe.
Document 2: Miller Brewing Company: The Miller Brewing Company is an American beer brewing company headquartered in Milwaukee, Wisconsin, that was owned until October 11, 2016 by the MillerCoors division of the MillerCoors–Molson Coors joint venture. The company has brewing facilities in Albany, Georgia; Chippewa Falls, Wisconsin; Fort Worth, Texas; Irwindale, California; Milwaukee, Wisconsin; and Trenton, Ohio. On July 1, 2008, Miller formed MillerCoors, a joint venture with rival Molson Coors to consolidate the production and distribution of its products in the United States, with each parent company's corporate operations and international operations to remain separate and independent of the joint venture.
Document 3: George Muehlebach Brewing Company: The George Muehlebach Brewing Company ( ) was a brewery that operated in Kansas City, Missouri, from 1868 until 1956, when it was acquired by Schlitz. Schlitz eventually discontinued the brand, and its Kansas City brewery was shut down in 1973. At one time, Muehlebach was the largest brewery in the Kansas City area.
Document 4: Pabst Brewing Company: The Pabst Brewing Company ( ) is an American company that dates its origins to a brewing company founded in 1844 by Jacob Best and was, by 1889, named after Frederick Pabst. It is currently the holding company contracting for the brewing of over two dozen brands of beer and malt liquor from now defunct companies including Pabst Blue Ribbon, P. Ballantine and Sons Brewing Company, G. Heileman Brewing Company, Lone Star Brewing Company, Pearl Brewing Company, Piels Bros., Valentin Blatz Brewing Company, National Brewing Company, Olympia Brewing Company, Falstaff Brewing Corporation, Primo Brewing & Malting Company, Rainier Brewing Company, F & M Schaefer Brewing Company, Joseph Schlitz Brewing Company, Jacob Schmidt Brewing Company and Stroh Brewery Company.
Document 5: 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.
Document 6: National Brewing Company: The National Brewing Company was a beer brewing company based in Baltimore, Maryland. The National Brewing Company operated from 1872 until the late 1970s. At the end of the 1970s, the National Brewing Company was purchased and their breweries were shut down. However, National's two most prominent brands, National Bohemian Beer and Colt 45, were kept alive and are now brewed in Wisconsin.
Document 7: Gunther Brewing Company: Gunther Brewing Company is a historic brewery building located at Baltimore, Maryland, United States. The site comprises 15 masonry buildings. The main structure is a five-story brick "L"-shaped Romanesque Revival-style brew house with a two-story brick ice plant built about 1910 and one- and two-story boiler room. Additional brew houses built in 1936 and 1950 are also on the property. The Tulkoff Factory and Warehouse was built about 1964. It was home to the George Gunther, Jr. Brewing Company, founded in 1900. By 1959 it was the second largest brewery in Baltimore, when it produced 800,000 barrels per year and employed approximately 600 people. Hamm's Brewing Company bought the Gunther Brewing Company in 1960. Later acquired by the F. & M. Schaefer Brewing Company in 1963, the plant was closed in 1978. The Tulkoff company briefly used the factory for their sauce products at the conclusion of all brewing operations.
Document 8: Joseph Schlitz: Joseph Schlitz (May 15, 1831 – May 7, 1875) was a German-American entrepreneur who made his fortune in the brewing industry.
Document 9: Lemp Brewery: The Lemp Brewery was a beer brewing company established in 1840 in St. Louis, Missouri that was acquired by the Griesedieck Beverage Company in 1920, which subsequently became the Falstaff Brewing Corporation. The brewery complex property consists of 27 buildings on a 13.7 acre site in the Marine Villa neighborhood. St. Louisian Steve DeBellis has been the owner of the Lemp Brewing Company trademark since 1988.
Document 10: Joseph Schlitz Brewing Company: The Joseph Schlitz Brewing Company was an American brewery based in Milwaukee, Wisconsin, and once the largest producer of beer in the United States. Its namesake beer, Schlitz ( ), was known as "The beer that made Milwaukee famous" and was advertised with the slogan "When you're out of Schlitz, you're out of beer". Schlitz first became the largest beer producer in the US in 1902 and enjoyed that status at several points during the first half of the 20th century, exchanging the title with Anheuser-Busch multiple times during the 1950s.
Document 11: 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.
Document 12: Yuengling: D. G. Yuengling & Son is the oldest operating brewing company in the United States, established in 1829. It is one of the largest breweries by volume in the country. Based on volume sold in 2016, Yuengling was the top craft beer company in the U.S. Based on sales in 2011, Yuengling was tied with the Boston Beer Company, maker of Samuel Adams brands, as the largest American-owned brewery. Its headquarters are in Pottsville, Pennsylvania. Yuengling produces about 2.8 million barrels annually, operating two Pennsylvania facilities and a brewery in Tampa, Florida.
Document 13: Joseph Huber Brewing Company: The Joseph Huber Brewing Company was founded in 1845 in Monroe, Wisconsin. Originally called The Blumer Brewery, it adopted the Huber name in 1947. It is the oldest continually operating brewery in the Midwest and second oldest in the United States.
Document 14: Lakefront Brewery: Lakefront Brewery, Inc. is a brewery in Milwaukee, Wisconsin, United States. The brewery is based in the Beerline B neighborhood of Milwaukee, Wisconsin. Founded in 1987 by brothers Russ and Jim Klisch, several of its brands are named after Milwaukee neighborhoods, such as Riverwest Stein Beer and East Side Dark. The brewery was the first in the U.S. to bottle fruit beer since prohibition was repealed, starting in 1992 with the seasonal Lakefront Cherry Lager. The brewery often uses Wisconsin-grown ingredients, including Door County cherries.
Document 15: Shmaltz Brewing Company: Shmaltz Brewing Company is an American Craft brewing company located in Clifton Park, New York, USA, and produces the award winning line of HE'BREW Beers and formerly Coney Island Beer before its acquisition by Boston Beer Co in 2013. Ranked in 2013 as one of the "Top 100 Brewers in the World" by RateBeer.com, Shmaltz won 9 Gold and 5 Silver Medals in the World Beer Championships in 2012. A recipient of the "Distinguished Business Award" by the Brooklyn Chamber of Commerce, Shmaltz was also included in the "Top 50 Fastest Growing Bay Area Companies" by San Francisco Business Times.
ground_truth: George Muehlebach Brewing Company