Question: When was the Galaxy captain from the MLS Cup 2011 born?

Context paragraphs:
2016 MLS Cup Playoffs: The 2016 MLS Cup Playoffs (branded as the 2016 Audi MLS Cup Playoffs for sponsorship reasons) began on October 26, and ended on December 10 with MLS Cup 2016, the 21st league championship match for MLS.  This is the 21st version of the MLS Cup Playoffs, the tournament culminating the Major League Soccer regular season.

MLS Cup 2003: MLS Cup 2003, the eighth edition of Major League Soccer's championship match, was played between the Chicago Fire and the San Jose Earthquakes to decide the champion of the 2003 season.  The match took place at The Home Depot Center in Carson, California on November 23, 2003.  San Jose defeated Chicago 4–2 with a goal from Richard Mulrooney in the 50th minute.  It was San Jose's second MLS Cup victory in three years.  It was the first MLS Cup in which players from both teams were allowed to wear their primary uniforms.  It was also the first MLS Cup played between two former MLS Cup champions as well as the highest-scoring final, with 6 goals in total.

Landon Donovan: Landon Timothy Donovan (born March 4, 1982) is an American former professional soccer player who played as a forward and attacking midfielder.  He holds numerous individual records in Major League Soccer (MLS) and for the United States national team and is often regarded as the greatest American men's soccer player of all-time.

MLS Cup 2014: MLS Cup 2014 was the 19th edition of MLS Cup, the match that determined the champion of Major League Soccer's 2014 season.  It is also the last MLS Cup to be held before the league's rebranding in 2015.  The Western Conference Champions LA Galaxy played the Eastern Conference Champions New England Revolution.  The match was held at the Galaxy's home field of the StubHub Center in Carson, California, as the Galaxy were awarded home advantage by finishing the regular season with more points than the Revolution.  The Galaxy won 2–1 after Overtime, winning their fifth MLS Cup title and also sending all-time U.S. national team goal scoring leader Landon Donovan into retirement with his sixth MLS Cup crown.

MLS Cup 2008: MLS Cup 2008 was the final match of the 2008 Major League Soccer season, and the 13th championship awarded by MLS.  The match took place on Sunday, November 23, 2008, at the Home Depot Center in Carson, California, between the Columbus Crew and New York Red Bulls.  MLS Cup 2008 was the only final in which two Eastern Conference teams met, and the first time since 1996 that both teams made their MLS Cup final debut in the same match.  Columbus won the game by a score of 3–1 with goals from Alejandro Moreno, Chad Marshall, and Frankie Hejduk — all assisted by Guillermo Barros Schelotto.  Schelotto was named man of the match, adding to his MVP award from the regular season.  The Crew became the fourth club to win both MLS Cup and the Supporters' Shield in the same season, following D.C. United (1997, 1999), Sporting Kansas City (2000), and Los Angeles Galaxy (2002).

MLS Cup '99: MLS Cup '99, the fourth edition of Major League Soccer's championship match, was played between D.C. United and the Los Angeles Galaxy to decide the champion of the 1999 season.  The match took place at Foxboro Stadium in Foxborough, Massachusetts on November 21, 1999.  D.C. United defeated Los Angeles 2–0 with goals from Ben Olsen and Jaime Moreno during the first half.  A rematch of the first MLS Cup- coincidentally held on the same venue- D.C. United captured their third MLS Cup victory in the first four years of Major League Soccer's existence and second victory against the Galaxy in an MLS Cup.

MLS Cup 2011: MLS Cup 2011, the 16th edition of Major League Soccer's championship match, was played between the Houston Dynamo and the Los Angeles Galaxy to decide the champion of the 2011 season.  The match was played at the Home Depot Center in Carson, California on November 20, 2011.  Los Angeles won their third championship, defeating Houston 1–0 off a 72nd-minute goal from Galaxy captain Landon Donovan.  David Beckham and Robbie Keane assisted the game's lone goal.  With the win, the Galaxy became the first team since the Columbus Crew in 2008 to win both the Supporters' Shield and MLS Cup in the same year.

2009 Real Salt Lake season: The 2009 Real Salt Lake season was the fifth season of the team's existence.  After clinching the eighth and final spot in the 2009 MLS Cup Playoffs, Real Salt Lake would go on to defeat the Los Angeles Galaxy in the 2009 MLS Cup.  The team was the first team in MLS history to win the MLS Cup after finishing the regular season with a losing record (11–12–7).

2017 MLS Cup Playoffs: The 2017 MLS Cup Playoffs (branded as the 2017 Audi MLS Cup Playoffs for sponsorship reasons) will begin on October 25, and ended on December 9 with MLS Cup 2017, the 22nd league championship match for MLS.  This is the 22nd version of the MLS Cup Playoffs, the tournament culminating the Major League Soccer regular season.

2011 MLS Cup Playoffs: The 2011 MLS Cup Playoffs was the sixteenth post-season tournament culminating the Major League Soccer regular season.  The tournament began on October 26 with the play-in round and concluded on November 20 with the championship match.  It was the first playoff series to include ten clubs, two more than the traditional eight.  Six of the ten teams earned a direct bye into the conference semifinals, while the four wildcard teams played a single-elimination match to earn a berth into the conference semis.  These eight clubs played in a single-elimination tournament en route to playoffs championship MLS Cup 2011, which doubles as the league championship for the 2011 MLS season altogether.

Supporting paragraphs: MLS Cup 2011 Landon Donovan
Answer: March 4, 1982