Question: Which company was involved with both Unibroue and Sapporo Brewery?
Context: The Sapporo Factory (サッポロファクトリー , Sapporo Fakutorī ) is a complex that includes a shopping mall, office, multiplex movie theaters, and museum, located in Chūō-ku, Sapporo, Hokkaidō, Japan.  The building was formerly a brewery that belonged to the Kaitakushi, the old government of Hokkaidō prefecture, and later owned by the Sapporo Beer Company, the predecessor of the Sapporo Brewery.  Currently, the Sapporo Factory is run by the Yebisu Garden Place, a subsidiary of Sapporo Holdings Ltd., and a real estate company.  The original brewery building was built in 1876, and after the brewery ceased to function in beer production, the operations were moved to a new location in Eniwa, in 1993. Shin-Sapporo Station (新札幌駅 , Shin-Sapporo-eki ) is a railway station in Atsubetsu-ku, Sapporo, Hokkaido, Japan, operated by the Hokkaido Railway Company (JR Hokkaido) and the Sapporo Municipal Subway.  The JR Hokkaido station number is "H05", while the Sapporo Municipal Subway station number is "T19".  The name of the Sapporo Municipal Subway station is written "新さっぽろ駅", to differentiate it from the JR Hokkaido station. The Blue Mountain Brewery in Afton, Virginia is a brewery which forms, along with Starr Hill Brewery, South Street Brewery, Wild Wolf Brewing Company and Devils Backbone Brewing Company, an integral part of the Brew Ridge Trail.  Blue Mountain was the first brewery to open in Nelson County.  They cultivate 1/3 acre of mainly Cascade-variety hops.  One of their seasonal beers, Blue Reserve, took home the first-ever medal (Silver) for a beer hopped solely with Virginia hops at the world's largest beer competition, the Great American Beer Festival, in 2011 for the American-Belgo Ale category.  Blue Mountain is also the only Virginia brewery to hold back-to-back Gold medals at the 2010 and 2011 Great American Beer Festival.  In 2012, a new sister brewery, Blue Mountain Barrel House, was opened by two of the founders of the original Blue Mountain Brewery. Magee Marshall & Company was a brewery that operated from the Crown Brewery in Bolton, Lancashire, England.  It was founded by David Magee, a brewer and spirit merchant, in 1853.  He moved from the Good Samaritan Brewhouse to the Crown Hotel in the 1860s and built the Crown Brewery in Derby Street next to the hotel.  After his death, he was succeeded by his sons, who acquired David Marshall's Grapes Brewery and the Horseshoe Brewery.  The company was registered as Magee Marshall & Company Ltd. in 1888.  The company acquired Henry Robinson's Brewery in Wigan and Halliwell's Alexandra Brewery.  In 1959, it was acquired by Greenall Whitley & Company and closed in 1970. Unibroue is a brewery located in Chambly, Quebec, Canada that was started by Serge Racine and Quebec native André Dion.  The company was purchased by Sleeman Breweries Ltd. in 2004, which was itself taken over by Sapporo in 2006.  The company was incorporated in 1993 and is the first of three microbrewing companies in Greater Montreal area (followed by "Brasseurs RJ" and "McAuslan"), both chronologically and in terms of sale benefits. Sapporo Breweries Ltd. (サッポロビール株式会社 , Sapporo Bīru Kabushiki-gaisha ) is a Japanese brewery founded in 1876.  It is the oldest brand of beer in Japan.  It was first brewed in Sapporo, Japan in 1876 by brewer Seibei Nakagawa.  Their world headquarters are in Ebisu, Shibuya, Tokyo.  The company purchased the Canadian company Sleeman Breweries in 2006. SAPICA (サピカ , Sapika ) is a rechargeable contactless smart card ticketing system for public transport in Sapporo, Japan.  Sapporo City Transportation Bureau (SCTB) introduced the system from January 30, 2009.  The name of the card means "Sapporo's IC card".  "Sa' " (サッ ) is also the sound symbolic word for quickly pulling a card out and "pi' " (ピッ ) is the sound equivalent to "beep".  The card is issued by Sapporo Information Network Company (札幌総合情報センター株式会社 , Sapporo Sōgō Jōhō Sentā Kabushiki Gaisha ) , the third sector (half public) company of Sapporo City Government. The Sapporo Beer Museum (サッポロビール博物館 , Sapporo Bīru Hakubutsukan ) is a museum located in the Sapporo Garden Park in Higashi-ku, Sapporo, Hokkaidō, Japan.  Registered as one of the Hokkaidō Heritage sites in 2004, the museum is the only beer museum in Japan.  The red-brick building was erected originally as a factory of the Sapporo Sugar Company in 1890, and later opened as a museum in July 1987.  The building also houses the Sapporo Beer Garden in the south wing. Sapporo Station (札幌駅 , Sapporo-eki ) is a railway station in Chūō-ku, Sapporo, Hokkaido, Japan.  It is served by Hakodate Main Line and other lines of Hokkaido Railway Company (JR Hokkaido), and is also connected to the Subway Sapporo Station. Sapporo Beer Teien Station (サッポロビール庭園駅 , Sapporobīru-teien-eki ) is a railway station on the Chitose Line in Eniwa, Hokkaido, Japan, operated by the Hokkaido Railway Company (JR Hokkaido).  The station opened on July 1, 1990.  The Hokkaido Brewery of Sapporo Breweries is located in front of the station.
Answer: Sleeman Breweries Ltd.