Context: The NBA high school draftees are players who have been drafted to the National Basketball Association (NBA) straight out of high school without playing basketball at the collegiate level. The process of jumping directly from high school to the professional level is also known as going prep-to-pro. Since 2006, the practice of drafting high school players has been prohibited by the new collective bargaining agreement, which requires that players who entered the draft be 19 years of age and at least one year removed from high school. Contrary to popular belief, the player does not have to play at least a year in college basketball, as the player can choose to instead play in another professional league (like the NBA G League or especially somewhere overseas) like Brandon Jennings or Emmanuel Mudiay in Italy and China respectively, simply take the year off, such as the case with Mitchell Robinson, or even hold themselves back a year in high school before declaring for the draft, like with Satnam Singh Bhamara or Thon Maker.
 Question: does the nba draft out of high school Context: The Olympic Charter requires that an athlete be a national of the country for which they compete. Dual nationals may compete for either country, as long as three years have passed since the competitor competed for the former country. However, if the NOCs and IF involved agree, then the IOC Executive Board may reduce or cancel this period. This waiting period exists only for athletes who previously competed for one nation and want to compete for another. If an athlete gains a new or second nationality, then they do not need to wait any designated amount of time before participating for the new or second nation. The IOC is only concerned with issues of citizenship and nationality after individual nations have granted citizenship to athletes.
 Question: do you have to have citizenship to compete in the olympics Context: The Toronto Raptors are a Canadian professional basketball team based in Toronto, Ontario. The Raptors compete in the National Basketball Association (NBA), as a member club of the league's Eastern Conference Atlantic Division. The team was established in 1995, along with the Vancouver Grizzlies, as part of the NBA's expansion into Canada. After the Grizzlies relocated to Memphis to become the Memphis Grizzlies in 2001, the Raptors became the only Canadian-based team in the NBA. They originally played their home games at SkyDome (later renamed Rogers Centre in 2005), before moving to the Scotiabank Arena (originally named the Air Canada Centre) in 1999.
 Question: are the raptors the only canadian nba team Context: Willie Anderson, Bobby Jones, Ben Hogan and Jack Nicklaus hold the record for the most U.S. Open victories, with four victories each. Anderson holds the record for most consecutive wins with three (1903--05). Hale Irwin is the oldest winner of the U.S. Open: he was 45 years and 15 days old when he won in 1990. The youngest winner of the U.S. Open is John McDermott who was 19 years, 10 months and 14 days old when he won in 1911. Rory McIlroy holds the record for the lowest aggregate score in 2011 at 268. Rory McIlroy and Brooks Koepka share the record for the lowest score in relation to par with their winning scores of -16.
 Question: has anyone ever won back to back us opens golf
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Yes
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Yes