Question: who was the largest mobile telecommunications company by market capitalization today in 2011 whose former chairman was Wang Jianzhou?
Context: Telenor Group (; ] or ] ) is a Norwegian mostly government-owned multinational telecommunications company headquartered at Fornebu in Bærum, close to Oslo.  It is one of the world's largest mobile telecommunications companies with operations in Scandinavia, Eastern Europe and Asia.  It has extensive broadband and TV distribution operations in four Nordic countries, and a 10-year-old research and business line for Machine-to-Machine technology.  Telenor owns networks in 13 countries, and has operations in 29 countries if their 33% ownership in VimpelCom Ltd is included. China Mobile Communications Corporation is a Chinese state-owned telecommunication company that provides mobile voice and multimedia services through its nationwide mobile telecommunications network.  The core subsidiary of the group, China Mobile Limited, is listed on both the NYSE and the Hong Kong Stock Exchange.  The subsidiary is the largest mobile telecommunications company by market capitalization today, and it was named as such in March 2011. Zain Group (Arabic: مجموعة زين‎ ‎ ) is a mobile telecommunications company founded in 1983 in Kuwait as MTC (Mobile Telecommunications Company), and later rebranded as Zain in 2007.  Zain has a commercial presence in eight countries across the Middle East with 45.2 million active customers as at 30 June, 2017.  The Vice Chairman and Group CEO is Bader Nasser Al–Kharafi, who was appointed in March 2017.  Approximately 24.24% of the company is owned by Kuwait Investment Authority; 16.26% is owned by Al-Khair National for Stocks & Real Estate Co; only shareholders that own above 5% are disclosed. Red Mobile (also red mobile), formerly ümobile and legally as Connectivity Unlimited Resource Enterprise, Inc. (CURE), was a wholly owned subsidiary of Smart Communications, the Philippines' largest mobile telecommunications company.  When it was initially launched as ümobile, it used the CURE Universal Mobile Telecommunications System network.  At that time, it offered its services through an invitation-based, ad-supported platform, catering to middle and upper-class subscribers between the ages of 15 and 35, devoting its services to that demographic.  After re-branding as Red Mobile, both the ad-supported revenue platform and invitation system were scrapped in favor of a more traditional marketing and revenue-generating approach.  In March 2010, Red Mobile started promoting its unlimited service offerings.  However, subscribers started reporting on online social networks that the CURE UMTS network has since been converted to a GSM network. Wang Jianzhou (; born December 1948 in Wenzhou, Zhejiang), is Chinese business executive.  He roles include being the former Chairman of China Mobile. Newcom Group (Mongolian: Ньюком Групп ) (the official name: Newcom LLC) is a Mongolian investment company.  Its portfolio includes MobiCom Corporation, the first and the largest mobile telecommunications company in Mongolia, and Eznis Airways, the largest domestic airline in Mongolia.  Newcom built the first wind farm in Mongolia, with a capacity of 50MW. Ooredoo (Arabic: أوريدو‎ ‎ ; formerly "Qtel") is an international telecommunications company headquartered in Doha, Qatar.  Ooredoo provides mobile, wireless, wireline, and content services with market share in domestic and international telecommunication markets, and in business (corporations and individuals) and residential markets.  It is one of the world's largest mobile telecommunications companies, with over 114 million customers worldwide as of September 2015. Mobile Telecommunications Limited (MTC) is a mobile telecommunications company in Namibia providing cellular access.  It is the largest mobile operator in Namibia with over two million active subscribers.  MTC was established in 1994 and was the only cellular provider in Namibia at that time.  Today its competitors in Namibia are TN Mobile and Telecom. tn mobile, first introduced as Cell One and then Leo, is a mobile telecommunications company in Namibia providing cellular coverage.  It is the second largest mobile operator in Namibia with currently around 300.000 active subscribers.  The company is 100% owned by Telecom Namibia, which is in turn wholly owned by the Namibian government. Vodafone Australia (VHA) is a mobile telecommunications company that operates the Vodafone brand in Australia.  The result of a merger between Vodafone Australia and Hutchison 3G Australia, it created a mobile communications entity of nearly 7 million subscribers, A$4 billion in annual revenue and a 27 per cent market share making it Australia's third largest mobile telecommunications provider behind Telstra and Optus.
Answer: China Mobile