Context_1 : NORAD Tracks Santa is an annual Christmas-themed entertainment program, which has existed since 1955, produced under the auspices of the North American Aerospace Defense Command (NORAD). Every year on Christmas Eve, "NORAD Tracks Santa" purports to track Santa Claus as he leaves the North Pole and delivers presents to children around the world. Context_2 : Founded in 1958, the Santa Cruz Symphony is led by Daniel Stewart, Music Director since 2013. The symphony performs at the Santa Cruz Civic Auditorium and the Mello Center for the Performing Arts in Watsonville, California. Each year they perform five classical concerts performed in Santa Cruz and Watsonville, a pops concert that benefits the music education programs, and a reduced admission family concert. The Symphony's free youth concert program introduces 4th and 5th graders to symphonic music via musician and docent school visits and a free concert. Context_3 : AdMob is a mobile advertising company founded by Omar Hamoui. The name AdMob is a portmanteau for "advertising on mobile". It was incorporated on April 10, 2006 while Hamoui was in business school at Wharton. The company is based in Mountain View, California. In November 2009 it was acquired by Google for $750 million. The acquisition was completed on May 27, 2010. Apple Inc. had also expressed interest in purchasing the company the same year, but they were out-bid by Google. Prior to being acquired by Google, AdMob acquired the company AdWhirl, formerly Adrollo, which is a platform for developing advertisements in iPhone applications. AdMob offers advertising solutions for many mobile platforms, including Android, iOS, webOS, Flash Lite, Windows Phone and all standard mobile web browsers. Context_4 : The University of Santa Cruz do Sul (Portuguese: "Universidade de Santa Cruz do Sul", UNISC) is a Brazilian non-profit (communitary) private university located in the city of Santa Cruz do Sul, in the state of Rio Grande do Sul, with four other campuses in Capão da Canoa, Sobradinho, Venâncio Aires, and Montenegro. The institution had its first college founded in 1964, but it was only in 1993 that it became a university. The University also has a preservation area, named "RPPN da Unisc", which has an area of 221,39 hectares and had its creation in the year of 2009, through Ordinance nº 16, of March 18, 2009. Context_5 : Deadly Rival Roller Derby (DRRD) is Florida's only Banked Track Roller Derby league, the only Banked Track league in Southeastern America and the 8th operating in the country as of 2016. When the league was first organized, Deadly Rival was the original roller derby league of Pinellas County and throughout their history maintained the largest women’s roller derby league in the county. Founded in 2011 as Pinellas County Roller Girls, the league played four exhibition bouts the first year: the Roll-A-Hula Luau, the School Girl Massacre, the Rocky Roller Derby Show, and the Roller Derby Christmas Story. The league also played their first travel bout, the Breast Cancer Awareness Skate-Off, against the Lakeland Derby Dames’ team, the Rockabilly Rebels. Context_6 : Club Baloncesto Isla Única de Tenerife is a Spanish women's basketball club from Santa Cruz de Tenerife currently playing. Founded as CB Isla de Tenerife, in 2012 it merged with local rival Uni Tenerife taking its current name. Formerly better known as Symel Tenerife for sponsorship reasons, Isla de Tenerife played in the LFB until 2003, and it made several appearances in the Ronchetti Cup, reaching the quarter-finals in 1995. Context_7 : Hardy Diagnostics is an American company that manufactures and sells bacteriological culture media, reagents, automated microscope slide staining machines, and rapid identification kits for microbiological testing in clinical, research, and industrial laboratories. The company's culture media is useful in the detection of bacterial pathogens, such as Salmonella, Listeria, E. coli, Tuberculosis, Staphylococcus, Streptococcus, Pneumococcus, Legionella, and others. Founded by Jay Hardy in 1980 and headquartered in Santa Maria, California, Hardy Diagnostics is the third-largest manufacturer of culture media in the United States, manufacturing more than 2,700 different media products. Hardy Diagnostics was recognized by Inc. Magazine as one of the 5000 fastest-growing private companies in the United States in 2009, 2010, 2011, and 2012. In August 2011 Hardy Diagnostics was chosen as "Business of the Year" by the Santa Maria Valley Chamber of Commerce. The company has three manufacturing facilities, headquartered in Santa Maria, California. A second media manufacturing facility is located in Springboro, Ohio. In January 2016 the company acquired a Wichita Falls, Texas manufacturer of automatic microscope slide stainers and dubbed the new division QuickSlide. Context_8 : Google Santa Tracker is an annual Christmas-themed entertainment program by Google, Inc. that allows users to track Santa during Christmas Eve and before that allows users to play, watch, and learn through little activities that are added daily from the start of December. Most of the year, Google Santa Tracker gets an average of 30,000–45,000 views, but around the holiday season starting early October, it increases to around 150,000, which is fewer than Google's rival santa tracker, NORAD Tracks Santa. Context_9 : Reflektion is a software company founded by former Google engineer Amar Chokhawala in 2012. Employing machine learning, the company has developed a next-generation personalization platform that raises conversion and revenue by 20%+ (on average) for leading digital retailers. The solution, referred to as Individualized Commerce, captures shopper preferences and behavior, and quickly responds to site visitors with the most individually relevant merchandise and site-search results. Chokhawala founded the company after an 11-year stint at Google, where he developed similar user modeling and semantic learning techniques for the Adsense, Gmail and Google Books platforms. Context_10 : Futebol Clube Santa Cruz is a Brazilian football club from Santa Cruz do Sul, Rio Grande do Sul, founded on March 26, 1913. Its rival is Esporte Clube Avenida. fact_1 :  Most of the year, Google Santa Tracker gets an average of 30,000–45,000 views, but around the holiday season starting early October, it increases to around 150,000, which is fewer than Google's rival santa tracker, NORAD Tracks Santa. fact_2 : NORAD Tracks Santa is an annual Christmas-themed entertainment program, which has existed since 1955, produced under the auspices of the North American Aerospace Defense Command (NORAD). Question: In what year was Google’s Santa Tracker rival founded?
Output: 1955