Question: What American teams did one of Xu Yongs competitors play for?
Context: Yi Jianlian (, pronounced , ; born October 27, 1987) is a Chinese professional basketball player for the Guangdong Southern Tigers of the Chinese Basketball Association (CBA).  He has also played in the National Basketball Association (NBA) for the Milwaukee Bucks, New Jersey Nets, Washington Wizards and Dallas Mavericks. Xu Yong (; born March 30, 1989) is a former Chinese professional basketball player born in Shanghai, China.  He last played for the Shanghai Dongfang Sharks of the Chinese Basketball Association.  Xu Yong was often considered as one of Chinas major basketball talents, third only to Yao Ming and Yi Jianlian.  After several dominating performances in the Chinese Basketball Association, Xu had to end his basketball career at age 19 after being diagnosed with osteosarcoma. This article features the 2005 CONCACAF U-20 Tournament qualifying stage.  Caribbean and Central American teams entered in separate tournaments.  The North American teams Canada and Mexico automatically qualified, as well as main tournament hosts Honduras (Central America) and the United States (North America).  Nineteen Caribbean teams entered, of which two qualified and five Central American teams entered, of which two qualified. DreamHack Open Austin 2016 was a LAN Tournament hosted by the Swedish eSports company DreamHack.  It took place from May 6–8 at the Austin Convention Center in Austin, Texas.  DH Austin featured six North American teams, and two South American teams.  They competed for a $100,000 prize pool.  In the finals, Luminosity Gaming, the then world champions after winning MLG Columbus 2016, defeated its fellow Brazilian team Tempo Storm, 2-0, to win DreamHack Open Austin 2016. This article features the 2001 CONCACAF U-20 Tournament qualifying stage.  Caribbean and Central American teams entered in separate tournaments.  The North American teams Mexico and the United States automatically qualified, as well as main tournament hosts Canada (North America) and Trinidad and Tobago (Caribbean).  Fifteen Caribbean teams entered, of which one qualified and seven Central American teams entered, of which three qualified. A duplicate bridge movement is a scheme used in a duplicate bridge tournament to arrange which competitors play which opponents when, and which boards they play.  The arrangement has to satisfy a number of constraints which often conflict to some extent, and compromises may be required.  The resolution of these compromises is to a considerable extent a matter of taste, and if possible the players should be consulted as to their preferences. A Swiss-system tournament is a non-eliminating tournament format which features a set number of rounds of competition, but considerably fewer than in a round-robin tournament.  In a Swiss tournament, each competitor (team or individual) does not play every other.  Competitors meet one-to-one in each round and are paired using a set of rules designed to ensure that each competitor plays opponents with a similar running score, but not the same opponent more than once.  The winner is the competitor with the highest aggregate points earned in all rounds.  All competitors play in each round unless there is an odd number of players. This article features the 1998 CONCACAF U-20 Tournament qualifying stage.  Caribbean and Central American teams entered in separate tournaments.  The North American teams Canada, Mexico and the United States automatically qualified, as well as main tournament hosts Guatemala (Central America) and Trinidad and Tobago (Caribbean).  Twelve Caribbean teams entered, of which one qualified and four Central American teams entered, of which two qualified. Curling was a demonstration sport at the 1932 Winter Olympics.  The venue was the Olympic Indoor Arena in Lake Placid, New York.  Eight teams from two countries (4 American teams and 4 Canadian Teams) competed in this event.  Only men's curling was contested at these Olympics.  The matches were held on February 4 and 5, 1932.  Each of the Canadian teams played against each of the American teams. This article features the 2003 CONCACAF U-20 Tournament qualifying stage.  Caribbean and Central American teams entered in separate tournaments.  The North American teams Canada and Mexico automatically qualified, as well as main tournament hosts Panama (Central America) and the United States (North America).  Eighteen Caribbean teams entered, of which two qualified and five Central American teams entered, of which two qualified.
Answer: the Milwaukee Bucks, New Jersey Nets, Washington Wizards and Dallas Mavericks.