Question: the 2006 Asian Games were held in a city located on which gulf ?

Context paragraphs:
Chan King Yin: Chan King Yin (; born 13 December 1982) is a sailor from Hong Kong, China who won a gold medal at the 2006 Asian Games in the mistral light class.  At the 2010 Asian Games, Chan seized his second Asian Games Gold Medal, in the mistral event.

Chinese Taipei at the 2006 Asian Games: Chinese Taipei () competed in the 2006 Asian Games in Doha, Qatar in November and December 2006.  The Chinese Taipei team sent 399 athletes to the games, making Chinese Taipei the fourth largest delegation after China, Japan, and South Korea.  Despite Taiwan's small size, Chinese Taipei is a second-rank Asian sports power, finishing tenth in gold medals and seventh in overall medals at the 2006 Asian Games, a slight drop from its performance in the 2002 Asian Games in Busan, South Korea.

Water polo at the 2006 Asian Games: Water polo was contested by men's teams at the 2006 Asian Games in Doha, Qatar from December 6 to December 14, 2006.  Ten teams competed in two round robin groups.  All games were staged at the Al-Sadd Aquatic Centre.

Iraq national under-23 football team: Iraq national under-23 football team (also known as Iraq Under-23 or Iraq Olympic Team) represents Iraq in international football competitions in Olympic Games and Asian Games, as well as any other under-23, under-22, and under-21 international football tournaments.  It is controlled by the Iraq Football Association.  Iraq Olympic Team reached fourth place in the 2004 Olympic Games in Athens won the silver medal in the 2006 Asian Games in Doha, and the bronze medal in the 2014 Asian Games in Incheon.

2006 Asian Games opening ceremony: The 2006 Asian Games Opening Ceremony was held in Doha, Qatar on 1 December 2006 to mark the start of the 15th Asian Games.  The ceremony took place in the multi-purpose Khalifa International Stadium, which was specifically renovated for the Asian Games.  The ceremony was attended by over 50,000 spectators, as well as approximately 20,000 athletes and performers.  Several Asian heads-of-state and the President of the International Olympic Committee Jacques Rogge were in attendance.  The officials and organizers of the ceremony promised it to be the most spectacular opening ceremony in recent years.  The Opening Ceremony was described by the media to be one of the most breath-taking and technologically spectacular multi-sports event ceremony, and the most expensive multi-sports event ceremony (including both Opening and Closing ceremonies) in the history of Asian Games.

Dambadondogiin Baatarjav: Dambadondogiin Baatarjav (Mongolian: Дамбадондогийн Баатаржав , born June 2, 1961) is a Mongolian professional archer.  He competed for Mongolia in archery at the 2006 Asian Games.  Baatarjav finished the 2006 Asian Games with a total of 1167 points compared to the 1332 points of South Korean Im Dong Hyun.

Baseball at the 2006 Asian Games: Baseball was one of the many sports which was held at the 2006 Asian Games in Al-Rayyan, Qatar beginning on November 29, 2006.  Six East and Southeast Asian nations participated in the tournament.  Chinese Taipei won its first ever baseball gold medal in the Asian Games when they mounted a ninth inning comeback against Japan in the final game of round robin play.  All games in the baseball competition were held at the Al-Rayyan Sports Club.

Mark Javier: Mark Pinili Javier (born October 20, 1981) is a professional archer from the Philippines.  He competed in Archery at the 2006 Asian Games in Doha, Qatar but was defeated by the Korean Im Dong Hyun 113-104 in the 1/16 Elimination Round.  During the 2006 Asian Games he landed 9th place in the individual category.

Doha: Doha (Arabic: الدوحة‎ ‎ , "ad-Dawḥa " or "ad-Dōḥa", ] , literally in MSA: "the big tree", locally: "rounded bays") is the capital city and most populous city of the State of Qatar.  Doha has a population of 1,351,000 in a city proper with the population close to 1.5 million.  The city is located on the coast of the Persian Gulf in the east of the country.  It is Qatar's fastest growing city, with over 50% of the nation's population living in Doha or its surrounding suburbs, and it is also the economic centre of the country.

1974 Asian Games medal table: The 1974 Asian Games (officially known as the Seventh Asian Games) was a multi-sport event held in Tehran, Iran from September 1, 1974, to September 16, 1974.  This was the first time that Asian Games were celebrated in any Middle East country.  A total of 3,010 athletes selected from 25 Asian National Olympic Committees participated in 16 sports divided into 202 events.  The number of participating countries was the greatest in Asian Games history, eighteen nations competed in Bangkok, host of the 1970 Asian Games.  Fencing, gymnastics (artistic) and women's basketball were included for the first time; while sailing—which made its debut in the previous Asian Games—was not included, however since 1978, sailing is a part of the Asian Games sports.

Supporting paragraphs: Water polo at the 2006 Asian Games Doha
Answer: the Persian Gulf