Question: Which professional basketball player won a NBA championship and spoke positively on the book "the 21 irrefutable laws of leadership"?

full_context: Document 1: The Big Moo: The Big Moo: Stop Trying to be Perfect and Start Being Remarkable (2005) is a collection of short essays on marketing. The essays were written by 32 different well-known authors in the field. They included Tom Peters, Malcolm Gladwell, Guy Kawasaki, Mark Cuban, and Dan Pink. The specific author of each essay, however, was not identified. The book's editor, Seth Godin said that to identify which author wrote what essay would have been a distraction. The goal of the book was to spark people's imaginations as well as raise money for charity. Proceeds from the book are donated to the Acumen Fund, the Juvenile Diabetes Research Foundation International, and Room to Read.
Document 2: Andre Iguodala: Andre Tyler Iguodala ( ; born January 28, 1984) is an American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA). The swingman was an NBA All-Star in 2012 and has been named to the NBA All-Defensive Team twice. Iguodala won an NBA championship with the Warriors in 2015, when he was named the NBA Finals Most Valuable Player. Iguodala helped the Warriors return to the NBA Finals for a third straight year in 2017, winning his second NBA Championship. He was also a member of the United States national team at the 2010 FIBA World Championship and 2012 Summer Olympics, winning the gold medal both times.
Document 3: The Purpose Driven Life: The Purpose Driven Life (2002) is a devotional book written by Christian author Rick Warren and published by Zondervan. The book topped the "Wall Street Journal" best seller charts as well as "Publishers Weekly" charts with over 30 million copies sold by 2007. "The Purpose Driven Life" was also on the New York Times Bestseller List for over 90 weeks.
Document 4: The FairTax Book: The FairTax Book is a non-fiction book by libertarian radio talk show host Neal Boortz and Congressman John Linder, published on August 2, 2005, as a tool to increase public support and understanding for the FairTax plan. Released by ReganBooks, the hardcover version held the #1 spot on the "New York Times" Best Seller list for the last two weeks of August 2005 and remained in the top ten for seven weeks. The paperback reprint of the book in May 2006 contains additional information and an afterword. It also spent several weeks on the "New York Times" Best Seller list. Boortz stated that he donates his share of the proceeds to charity to promote the book.
Document 5: Buddy Hield: Chavano Rainier "Buddy" Hield (born December 17, 1993) is a Bahamian professional basketball player for the Sacramento Kings of the National Basketball Association (NBA). He was named the Big 12 Conference Men's Basketball Player of the Year in 2015 and 2016, and in 2016, he received four major national player of the year awards—the John R. Wooden Award, the Naismith Award, "Sporting News" Player of the Year, and the Oscar Robertson Trophy. Hield was selected with the sixth overall pick in the 2016 NBA draft by the New Orleans Pelicans.
Document 6: The 21 Irrefutable Laws of Leadership: The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You is a 1998 book written by John C. Maxwell and published by Thomas Nelson. It is one of several books by Maxwell on the subject of leadership. It is the book for which he is best-known. The book was listed on "The New York Times" Best Seller list in April 1999 after marketing company ResultSource manipulated the list by making it look like copies of "The 21 Irrefutable Laws of Leadership" had been purchased by thousands of individuals when, in actuality, ResultSource had simply made a bulk order of the book. The book had sold more than one million copies by 2015. Christian businessperson John Faulkner was inspired to found Christian business magazine "TwoTen" when he read "The 21 Irrefutable Laws of Leadership". Professional basketball player Harrison Barnes read and spoke positively of the book. Annie Grevers of "Swimming World Magazine" wrote of Maxwell's book, "it's cheesy, but ... it did me some good". Columnist Michael Hiltzik of the "Los Angeles Times" criticized Maxwell for including in the book "the insidious subtext ... that externalities have nothing to do with your failure", an assertion that Hiltzik argues research studies have demonstrated to be false.
Document 7: Harrison Barnes: Harrison Bryce Jordan Barnes (born May 30, 1992) is an American professional basketball player for the Dallas Mavericks of the National Basketball Association (NBA). He played college basketball for the North Carolina Tar Heels before being selected by the Golden State Warriors in the first round of the 2012 NBA draft with the seventh overall pick. Barnes won an NBA championship with the Warriors in 2015.
Document 8: Think and Grow Rich: Think and Grow Rich was written in 1937 by Napoleon Hill, promoted as a personal development and self-improvement book. Hill writes that he was inspired by a suggestion from business magnate and later-philanthropist Andrew Carnegie. While the book's title and much of the text concerns increased income, the author insists that the philosophy taught in the book can help people succeed in any line of work, to do and be anything they can imagine. First published during the Great Depression, at the time of Hill's death in 1970, "Think and Grow Rich" had sold more than 20 million copies, and by 2015 over 100 million copies had been sold worldwide. It remains the biggest seller of Napoleon Hill's books. "BusinessWeek" magazine's Best-Seller List ranked it the sixth best-selling paperback business book 70 years after it was published. "Think and Grow Rich" is listed in John C. Maxwell's "A Lifetime "Must Read" Books List."
Document 9: Andrew Bogut: Andrew Michael Bogut (born 28 November 1984) is an Australian professional basketball player for the Los Angeles Lakers of the National Basketball Association (NBA). The 7 ft center was selected by the Milwaukee Bucks with the first overall pick in the 2005 NBA draft. He earned All-NBA Third Team honors with the Bucks in 2010. He was traded to the Golden State Warriors in 2012, and was named NBA All-Defensive Second Team in 2015, when he won an NBA championship with the Warriors.
Document 10: John C. Maxwell: John Calvin Maxwell (born 1947) is an American author, speaker, and pastor who has written many books, primarily focusing on leadership. Titles include "The 21 Irrefutable Laws of Leadership" and "The 21 Indispensable Qualities of a Leader". His books have sold millions of copies, with some on the New York Times Best Seller List.
Document 11: ResultSource: ResultSource is a San Diego-based book marketing company that conducts "bestseller campaigns" on behalf of authors. The company states "'We create campaigns that reach a specific goal, like: "On the bestsellers list," or "100,000 copies sold.'" For example, for a negotiated fee ResultSource will guarantee that a book becomes a bestseller. It does this through bulk book buying programs designed to manipulate the metrics used by Nielsen BookScan and the New York Times Best Seller list, among other strategies. As a result of ResultSource's business practices, Amazon.com has stopped doing business with the company. The company was founded by Kevin Small.
Document 12: Stephen Curry: Wardell Stephen Curry II (born March 14, 1988) is an American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA). Many players and analysts have called him the greatest shooter in NBA history. In 2014–15, Curry won the NBA Most Valuable Player Award and led the Warriors to their first championship since 1975. The following season, he became the first player in NBA history to be elected MVP by a unanimous vote and to lead the league in scoring while shooting above 50–40–90. That same year, the Warriors broke the record for the most wins in an NBA season. Curry helped the Warriors return to the NBA Finals for a third straight year in 2017, where he won his second NBA championship.
Document 13: Draymond Green: Draymond Jamal Green Sr. (born March 4, 1990) is an American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA). Green, who plays primarily at the power forward position, was named to the NBA All-Defensive Team and won his first NBA Championship with the Warriors in 2015. Green was named an NBA All-Star and All-NBA Team member the following two seasons. In 2017, he won NBA Defensive Player of the Year and his second NBA Championship as a member of the Warriors.
Document 14: Tyler Hansbrough: Andrew Tyler Hansbrough (born November 3, 1985) is an American professional basketball player for the Guangzhou Long-Lions of the Chinese Basketball Association (CBA). The most decorated and honored player in North Carolina Tar Heels history, Hansbrough was the first player in ACC history to not only be named First Team All-ACC four times, but to also be named to a First Team All-American squad in each of his four seasons. He was also named ACC Rookie of the Year in 2006 and ACC Player of the Year in 2008, while sweeping all national player of the year awards that year as well. Following his college career, he was selected by the Indiana Pacers with the 13th overall pick in the 2009 NBA draft. He played four seasons for the Pacers before joining the Toronto Raptors in 2013. After two seasons with the Raptors, he joined the Charlotte Hornets for the 2015–16 season.
Document 15: Klay Thompson: Klay Alexander Thompson (born February 8, 1990) is an American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA). The son of former NBA player Mychal Thompson, he played college basketball for three seasons at Washington State University, where he was a two-time first-team all-conference selection in the Pac-10. Thompson was selected in the first round of the 2011 NBA draft by Golden State with the 11th overall pick. In 2014, he and teammate Stephen Curry set a then NBA record with 484 combined three-pointers in a season, as the pair were given the nickname the "Splash Brothers". Thompson is a three-time NBA All-Star and a two-time All-NBA Third Team honoree. In 2015, he helped lead the Warriors to their first NBA Championship since 1975. Thompson helped the Warriors return to the NBA Finals for a third straight year in 2017, winning his second NBA Championship.
ground_truth: Harrison Barnes