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

Context paragraphs:
2003 Southeast Asian Games: The 2003 Southeast Asian Games, officially known as the 22nd Southeast Asian Games (Vietnamese: "Đại hội Thể thao Đông Nam Á 2003" ) was a Southeast Asian multi-sport event held in Hanoi, Vietnam.  This was the first time in history Vietnam hosted the Southeast Asian Games, the first time Southeast Asian games venues were assigned into two cities namely Hanoi and Ho Chi Minh City and the first time Timor-Leste participated at the Southeast Asian Games.

Vietnam national under-23 football team: 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.

1965 Southeast Asian Peninsular Games: The 1965 Southeast Asian Peninsular Games officially known as the 3rd Southeast Asian Peninsular Games was a Southeast Asian multi-sport event held in Kuala Lumpur, Malaysia, from 14 to 21 December 1965 with 14 sports featured in the games.  Originally to be hosted by Laos, the third edition of the games was hosted by Malaysia after the former was not able to honour its hosting commitment citing financial difficulties and would later known to have hosted the 2009 Southeast Asian Games decades later.  Two years earlier, the third SEAP Games was cancelled as Cambodia pulled out of hosting the event due to internal strife.  This was the first time Malaysia host the games.  Malaysia is the third country to host the Southeast Asian Peninsular Games, which later known as the Southeast Asian Games after Thailand and Myanmar, then Burma.  The games was opened and closed by Ismail Nasiruddin, the King of Malaysia at the Stadium Merdeka.  The final medal tally was led by Thailand followed by host Malaysia and Singapore.

Harlene Raguin: Harlene Orendain-Raguin (born June 14, 1983) is a multi-titled Filipina épée fencer.  She won the individual épée silver medal at the 2015 Southeast Asian Games and was a member of the team that won the Silver Medal in the Team Épée.  She was also an Individual Silver Medalist at the 2007 Southeast Asian Games and a member of the Bronze-winning Team at the 2011 Southeast Asian Games, 2007 Southeast Asian Games, and 2005 Southeast Asian Games .

2009 Southeast Asian Games: The 2009 Southeast Asian Games (Lao: ກີລາພູມິພາກອາຊີຕາເວັນອອກສຽງໃຕ້ 2009 , Kila phoumipak asi taven oak siang tai 2009), officially known as the 25th Southeast Asian Games was a Southeast Asian multi-sport event hosted by Vientiane, Laos.  This was the first time Laos had held the Southeast Asian Games as Laos had previously declined hosting the 1965 Southeast Asian Peninsular Games, citing financial difficulties.

Philippines at the Southeast Asian Games: The Philippines first sent athletes to the Southeast Asian Games in 1977.  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 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.

2005 ASEAN Para Games: The 2005 ASEAN Para Games, officially known as the 3rd ASEAN Para Games, was a Southeast Asian disabled multi-sport event held in Manila, Philippines from 14 to 20 December 2005, nine days after the 2005 Southeast Asian Games.  This was the first time Philippines hosted the ASEAN Para Games.

1977 Southeast Asian Games: 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.

1989 Southeast Asian Games: The 1989 Southeast Asian Games, officially known as the 15th Southeast Asian Games, was a multi-sport event held in Kuala Lumpur, Malaysia from 20 to 31 August 1989 with 25 sports featured in the games.  It was officially opened by 9th Yang di-Pertuan Agong, Sultan Azlan Shah.  Although Cambodia did not participate, Laos returned to compete for the first time under the new federation name in this edition of the games.  A unified Vietnam first participated in the SEA Games in 1989 as well.  The closing ceremony of this multi-sports events coincides with the 32nd anniversary of Malaysia's Independence.  This was the fourth time Malaysia host the games, and its first time since 1977.  Malaysia previously also hosted the 1965 games and the 1971 games, when the Southeast Asian Games were known as the Southeast Asian Peninsular Games at those times.  The games was opened and closed by Sultan Azlan Shah, the King of Malaysia at the Stadium Merdeka.  The final medal tally was led by Indonesia, followed by host Malaysia and Thailand.

1981 Southeast Asian Games: 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.  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 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.

Supporting paragraphs: Philippines at the Southeast Asian Games 1981 Southeast Asian Games
Answer: 1981