Question: The Philippines hosted the Southeast Asian Games three times, the 11th being held in what year?

 Prior to 1977, the Southeast Asian Games were known as the Southeast Asian Peninsular Games.  The country has hosted the games thrice; in 1981, 1991 and 2005. The Philippines first sent athletes to the Southeast Asian Games in 1977.  The country's best finish at the games was in 2005 when they hosted the games, finishing as overall champions of the games with Thailand and Vietnam finishing second and third in the overall medal standings.  Their best finish in the games, excluding editions hosted by the Philippines, was at the 1983 edition where they finish second behind Indonesia. <SEP> The Vietnam national under-23 football team (Vietnamese: Đội tuyển bóng đá U-23 quốc gia Việt Nam ) is the under-23 football team representing Vietnam at the Olympic Games, Asian Games, AFC U-23 Championship, AFF U-23 Youth Championship and Southeast Asian Games.  It is controlled by the Vietnam Football Federation.  They participated in the Asian Games three times and the last round of 2008 Summer Olympics qualifiers. <SEP> The 1977 Southeast Asian Games, officially known as the 9th Southeast Asian Games was a Southeast Asian multi-sport event held in Kuala Lumpur, Malaysia from 19 to 26 November 1977.  This was the third time Malaysia hosted the games and its first since 1971.  Previously, it also hosted the games for the first time in 1965.  Brunei, Indonesia, and the Philippines were finally admitted into the SEAP Games Federation in February that year.  Although the word 'Peninsula' was omitted from the new federation title to reflect the expansion, in which the games is the first games to bear the name, its emblem (which featured six rings representing the six founding members), and the sequential numbering of the games was kept to provide continuity, as well as reverence to the objectives, aspirations and contributions of the founders.  The six-ring emblem was not replaced until 1999, when the present ten-ring emblem was first used in an official games logo.  The games was opened and closed by Yahya Petra, the King of Malaysia at the Stadium Merdeka.  The final medal tally was led by Indonesia, followed by Thailand and the Philippines, with host Malaysia in fifth place. <SEP>  This was the first time that the Philippines hosted the Games since its first participation in 1977.  Philippines is the sixth nation to host the Southeast Asian Games after Thailand, Burma, Malaysia, Singapore and Indonesia.  The event was officially opened by President Ferdinand Marcos and the cauldron was lit by Benjamin Silva-Netto.  The colourful opening ceremony was held in the Rizal Memorial Stadium in Manila.  A new football stadium and indoor arena was built in Pasig named the University of Life Track & Field and Arena or the ULTRA, now called the PhilSports Arena. The 1981 Southeast Asian Games, officially known as the 11th Southeast Asian Games was a multi-sport event held in Manila, Philippines from 6 to 15 December 1981.  The adjacent apartments were used as the athlete's quarters and was converted into a "BLISS" housing project of First Lady Imelda Marcos.  The final medal tally was led by Indonesia, followed by Thailand and host Philippines.