Question: What number President of the United States won the Alaska Democratic Caucuses in 2008?

Context paragraphs:
Jake Metcalfe: Jake Metcalfe is an attorney, union manager, and politician, a former chair of the Alaska Democratic Party  and a former Anchorage School Board President.  On July 30, 2007, Metcalfe announced his intention to run for Alaska's At-large congressional district in 2008.  In May 2008, he dropped out of the race, after a former campaign worker was accused of establishing fake websites about one of his primary opponents, Ethan Berkowitz .

Iowa Democratic caucuses, 2004: In the United States, the 2004 Iowa Democratic caucuses (held January 19) were the first major test of some of the leading contenders for the Democratic Party's nomination as its candidate for the 2004 presidential election.

Alaska Democratic caucuses, 2016: The 2016 Alaska Democratic caucuses were held on March 26 in the U.S. state of Alaska as one of the Democratic Party's primaries ahead of the 2016 presidential election.

Wyoming Democratic caucuses, 2004: The 2004 Wyoming Democratic caucuses took place on February 3, 2004 as part of the 2004 United States Democratic presidential primaries.  The delegate allocation is Proportional, the candidates are awarded delegates in proportion to the percentage of votes received.

American Samoa Democratic caucuses, 2008: The American Samoa Democratic caucuses, 2008 took place on February 5, 2008, also known as Super Tuesday.  Caucusing began at 11:00 am local time.  The early time ensured that results would be reported that evening in the mainland United States.  Hillary Clinton won the caucus, the smallest of Super Tuesday's nominating contests.

Barack Obama: Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th President of the United States from 2009 to 2017.  He is the first African American to have served as president.  He previously served in the U.S. Senate representing Illinois from 2005 to 2008 and in the Illinois State Senate from 1997 to 2004.

United States presidential primary: The presidential primary elections and caucuses held in the various states, the District of Columbia, and territories of the United States form part of the nominating process of candidates for United States presidential elections.  The United States Constitution has never specified the process; political parties have developed their own procedures over time.  Some states hold only primary elections, some hold only caucuses, and others use a combination of both.  These primaries and caucuses are staggered, generally beginning in either late-January or early-February, and ending about mid-June before the general election in November.  State and local governments run the primary elections, while caucuses are private events that are directly run by the political parties themselves.  A state's primary election or caucus is usually an indirect election: instead of voters directly selecting a particular person running for President, they determine the number of delegates each party's national convention will receive from their respective state.  These delegates then in turn select their party's presidential nominee.  The first state in the union to hold its

Alaska Democratic caucuses, 2008: The Alaska Democratic Caucuses took place Super Tuesday, February 5, 2008.  This was the first time that Democrats in Alaska participated in Super Tuesday, and the large turnout forced at least one caucusing site to delay closing its doors far beyond the 6 p.m. deadline.  The state had a total of 13 delegates at stake.  Barack Obama won the Alaska Democratic Caucuses and secured 9 delegates to the Democratic National Convention while Hillary Clinton took 4 delegates.  However, the caucus was non-binding, and Alaska's Democratic State Convention in May awarded Obama 10 pledged delegates.

Alaska Democratic Party: The Alaska Democratic Party is the affiliate branch of the United States Democratic Party in the state of Alaska, headquartered in Anchorage.

Iowa Democratic caucuses, 2000: In the United States, the 2000 Iowa Democratic caucuses (held January 24) were the first major test of the leading contenders for the Democratic Party's nomination as its candidate for the 2000 presidential election.

Supporting paragraphs: Alaska Democratic caucuses, 2008 Barack Obama
Answer: 44th