Question: What is the birth date of this American former professional basketball plater who was acquired by the Portland Trail Blazers during the off season of the 2001-02 Portland Trail Blazers season?

Context paragraphs:
2001–02 Portland Trail Blazers season: The 2001–02 NBA season was the 32nd season for the Portland Trail Blazers in the National Basketball Association.  During the offseason, head coach Mike Dunleavy was fired after four years and two trips to the Western Conference finals, and was replaced with Maurice Cheeks, as the Blazers acquired Derek Anderson and Steve Kerr from the San Antonio Spurs, and signed free agent Ruben Patterson.  Kerr was a former teammate of Scottie Pippen on the Chicago Bulls, where they won three championships in the late 1990s.  The Blazers struggled with a 13–18 start, but then went on a 12-game winning streak between February and March, finishing third in the Pacific Division with a 49–33 record, and making the playoffs for the 20th consecutive year.

Portland Trail Blazers all-time roster: The Portland Trail Blazers, commonly known as the Blazers, are an American professional basketball team based in Portland, Oregon.  They play in the Northwest Division of the Western Conference in the National Basketball Association (NBA).  The Trail Blazers originally played their home games in the Memorial Coliseum, before moving to the Rose Garden in 1995.  The franchise entered the league in 1970, and Portland has been its only home city.  The franchise has enjoyed a strong following; from 1977 through 1995, the team sold out 814 consecutive home games, the longest such streak in American major professional sports.  The Trail Blazers are the only team in the major professional North American sports leagues located in the state of Oregon.  The Trail Blazers are also currently the only NBA team based in the binational Pacific Northwest, after the Vancouver Grizzlies relocated to Memphis and became the Memphis Grizzlies in 2001, and the Seattle SuperSonics relocated to Oklahoma City and became the Oklahoma City Thunder in 2008.

The Breaks of the Game: The Breaks of the Game is a 1981 sports book written by Pulitzer Prize winning reporter David Halberstam about the Portland Trail Blazers' 1979–1980 season.  The Trail Blazers are a professional basketball team which plays in the National Basketball Association (NBA).  Aside from a recap of the Blazers' season, the book attempts to give a detailed history of the NBA, the 1976–77 Portland Trail Blazers championship team, the injuries faced by departed star Bill Walton, and the life of Kermit Washington after his two-month suspension for punching Rudy Tomjanovich.  The book also puts basketball into a social context and contains extensive discussion on race in the NBA.

1977–78 Portland Trail Blazers season: The 1977–78 Portland Trail Blazers season was the eighth season of the Portland Trail Blazers in the National Basketball Association (NBA).  Fresh off their first NBA Championship win the previous season, the Blazers led the league with a franchise-best 58–24 record, earning a first-round bye in the 1978 NBA Playoffs.  However, they were defeated by the eventual Western Conference champion Seattle SuperSonics four games to two.

Portland Trail Blazers: The Portland Trail Blazers, commonly known as the Blazers, are an American professional basketball team based in Portland, Oregon.  The Trail Blazers compete in the National Basketball Association (NBA) as a member club of the league's Western Conference Northwest Division.  The team played its home games in the Memorial Coliseum before moving to Moda Center in 1995 (called the Rose Garden until 2013).  The franchise entered the league as an expansion team in 1970, and has enjoyed a strong following: from 1977 through 1995, the team sold out 814 consecutive home games, the longest such streak in American major professional sports at the time, and only since surpassed by the Boston Red Sox.  The Trail Blazers have been the only NBA team based in the bi-national Pacific Northwest, after the Vancouver Grizzlies relocated to Memphis and became the Memphis Grizzlies in 2001, and the Seattle SuperSonics relocated to Oklahoma City and became the Oklahoma City Thunder in 2008.

List of Portland Trail Blazers head coaches: The Portland Trail Blazers are an American professional basketball team based in Portland, Oregon.  The Trail Blazers play in the Northwest Division of the Western Conference in the National Basketball Association (NBA).  The franchise entered the NBA in 1970.  The Trail Blazers sold out 814 consecutive home games from through , the longest such streak in American professional sports.  The team has played their home games at the Rose Garden Arena since the 1995–96 NBA season.  The Trail Blazers are owned by Paul Allen, and Neil Olshey is their general manager.

1978–79 Portland Trail Blazers season: The 1978–79 Portland Trail Blazers season was the ninth season of the Portland Trail Blazers in the National Basketball Association (NBA).

History of the Portland Trail Blazers: The following is a detailed history of the Portland Trail Blazers, a professional basketball team which joined the Western Conference of the National Basketball Association in 1970.  They play at the Moda Center in the Lloyd District of Portland.  They are owned by Microsoft co-founder and Vulcan Inc. chairman Paul Allen, who purchased the team in 1988.  The team is often referred to as "Rip City", which was coined by play-by-play announcer Bill Schonely during their inaugural season.  The Trail Blazers have retired several players jerseys, including Naismith Memorial Basketball Hall of Fame members Clyde Drexler and Bill Walton.  Jack Ramsay, who was the Trail Blazers head coach from 1976 to 1986, had the number 77 retired in honor of Portland's only NBA Finals victory in 1977.  Portland has had four NBA Rookies of the Year; Geoff Petrie (1971), Sidney Wicks (1972), Brandon Roy (2007) and Damian Lillard (2013).  The only NBA Most Valuable Player that earned the award as a member of the Trail Blazers was Bill Walton in 1978.

Derek Anderson (basketball): Derek Lamont Anderson (born July 18, 1974) is an American former professional basketball player.

2011–12 Portland Trail Blazers season: The 2011–12 Portland Trail Blazers season was the 42nd season of the franchise in the National Basketball Association (NBA).  Due to the 2011 NBA lockout the regular season was shortened to 66 games.  The Trail Blazers finished the season in 11th place in the Western Conference with a 28–38 record.  It was the last season with head coach Nate McMillan, who was fired on March and with starting shooting guard Brandon Roy, who announced his retirement.  The Trail Blazers also parted ways with their number one pick from the 2007 NBA draft Greg Oden after an injury-marred short career with the team.

Supporting paragraphs: 2001–02 Portland Trail Blazers season Derek Anderson (basketball)
Answer: July 18, 1974