Question: When was the American professional mixed martial artist born who is ranked #13 as of July 21, 2017 and also a trainee of Matt Hume?

full_context: Document 1: Johny Hendricks: Johny Harvey Hendricks (born September 12, 1983) is an American mixed martial artist and an accomplished former collegiate wrestler . He currently competes in the Ultimate Fighting Championship's (UFC) Middleweight division and is the former UFC Welterweight Champion. He is known for his powerful punches, particularly from his left hand, as well as his extensive wrestling background.
Document 2: Pat Miletich: Patrick Jay "Pat" Miletich ( ; born March 9, 1966) is a retired American mixed martial artist and a current sports commentator. He is known for his fights in the Ultimate Fighting Championship, where he became the first UFC Welterweight Champion and UFC 16 Welterweight Tournament Winner. Miletich is also known as a highly successful trainer and coach, having founded Miletich Fighting Systems. This camp is considered one of the most successful in MMA history and has produced several world champions. On July 6, 2014, he was inducted into the UFC Hall of Fame.
Document 3: Chris Leben: Christian Cyrus Leben (born July 21, 1980) is a retired American mixed martial artist. He formerly competed with the UFC as a Middleweight, compiling a record of 12-10 in 22 appearances for the organization. Leben first appeared in the inaugural season of "The Ultimate Fighter" reality series, and has also fought in the now-defunct WEC. He began his UFC career with five victories in a row before suffering a knockout loss to future UFC Middleweight Champion Anderson Silva. Leben was the inaugural WEC Middleweight Champion.
Document 4: Anthony Pettis: Anthony Paul Pettis (born January 27, 1987) is an American mixed martial artist currently competing as a Lightweight in the Ultimate Fighting Championship (UFC), where he is the former UFC Lightweight Champion. Pettis was also the final WEC Lightweight Champion prior to the promotion being merged into the UFC. At one point, he was ranked as a top-ten pound for pound fighter. He is currently ranked #13 in the official UFC lightweight rankings.
Document 5: Michael Bisping: Michael Bisping ( , ; born 28 February 1979) is an English mixed martial artist and actor. He fights in the Ultimate Fighting Championship (UFC), and is the current UFC Middleweight Champion. He is a former Cage Rage Light Heavyweight Champion, and "The Ultimate Fighter 3" Light Heavyweight Tournament winner. At UFC 78, he became the first English fighter in a UFC main event and at UFC 199, he became the first English fighter to win a UFC championship.
Document 6: Bibiano Fernandes: Bibiano Fernandes da Silva Neto (born March 30, 1980) is a Brazilian professional mixed martial artist who has competed for K-1, DREAM, ONE Championship and King of the Cage. He was the first DREAM Featherweight Champion and DREAM Bantamweight Champion, and currently the ONE Bantamweight Champion. He is currently ranked as the #5 Bantamweight in the world by MMA Weekly and Fight Matrix as well as the #1 bantamweight outside of the UFC He is the main sparring partner of UFC Flyweight champion Demetrious Johnson.
Document 7: Vitor Belfort: Vitor Vieira Belfort (] ; born April 1, 1977) is a Brazilian mixed martial artist currently competing in the Middleweight division of the Ultimate Fighting Championship. He is the former UFC Light Heavyweight Champion, UFC 12 Heavyweight Tournament Champion, and the Cage Rage World Light Heavyweight Champion. As of June 16, 2017, he is the #11 contender in official UFC Middleweight rankings.
Document 8: Matt Hughes (fighter): Matthew Allen Hughes (born October 13, 1973) is a retired American mixed martial artist with a background in wrestling. He is a two-time UFC Welterweight Champion, UFC Hall of Fame inductee, and NJCAA Hall of Fame inductee. During his tenures in the Ultimate Fighting Championship, Hughes put together two separate six-fight winning streaks, defeated all the available opposition in the welterweight division, and defended the belt a then-record seven times. Hughes was inducted into the UFC Hall of Fame in May 2010 during the UFC Fan Expo in conjunction with UFC 114.
Document 9: Dan Henderson: Daniel Jeffery Henderson (born August 24, 1970) is an American former mixed martial artist and Olympic wrestler, who last competed as a middleweight in the Ultimate Fighting Championship. He was the last Strikeforce Light Heavyweight Champion and was the last Welterweight (80 kg ) and Middleweight (95 kg ) champion of Pride Fighting Championships. Additionally, Henderson was the Brazil Open '97 Tournament Champion, the UFC 17 Middleweight Tournament Champion, the Rings: King of Kings 1999 Tournament Champion and the Pride Weltwerweight Grand Prix Tournament Champion. During his career, Henderson also challenged for the UFC Middleweight Championship (2x), the UFC Light Heavyweight Championship and the Strikeforce Middleweight Championship. He was the first mixed martial artist to concurrently hold two titles in two different weight classes in a major MMA promotion. At the time of his retirement after UFC 204, he was the oldest fighter on the UFC roster. Known to be one of the greatest mixed martial artists of all time having defeated a total of seventeen MMA world champions across four major MMA promotions (UFC, PRIDE FC, Strikeforce, and RINGS).
Document 10: Matt Hume: Matt Hume (born July 14, 1966) is an American mixed martial artist. He is the founder and head trainer at AMC Pankration in Kirkland, WA, which is home to UFC flyweight champion Demetrious Johnson, ONE bantamweight champion Bibiano Fernandes and he has trained numerous world class fighters including Josh Barnett, Tim Boetsch Bob Sapp, Chris Leben, Hayato Sakurai, Akira Shoji, Matt Brown, Rich Franklin, Mario Miranda and Caros Fodor.
Document 11: Demetrious Johnson (fighter): Demetrious Khrisna Johnson (born August 13, 1986) is an American mixed martial artist. He is the first ever and the current Flyweight Champion of the Ultimate Fighting Championship (UFC). He currently holds the longest active championship reign at ten title defenses. He is also the #1 ranked pound for pound MMA fighter in the world. Known for his quick striking and elusive movement, Johnson has also landed the most takedowns in UFC Flyweight history and holds the record for the latest finish in UFC history with a submission win at 4:59 of the fifth round against Kyoji Horiguchi. He is also the only UFC fighter to record over 10 takedowns in three different fights.
Document 12: Team Hammer House: Team Hammer House is a mixed martial arts team operating out of Columbus, Ohio, made up of mostly former NCAA wrestlers. While Hammer House focuses on amateur wrestling they do have cross training deals with notable fighters and camps such as Matt Serra, Pat Miletich and Xtreme Couture Mixed Martial Arts. Founded by former UFC champion Mark Coleman, Team Hammer House has attracted such mixed martial arts fighters as Kevin Randleman and Phil Baroni.
Document 13: Michael Chandler: Michael Chandler Jr. (born April 24, 1986) is an American mixed martial artist fighting in the lightweight division. He is currently under contract with Bellator MMA where he is a former two-time Bellator Lightweight Champion. He was also the winner of the . Chandler is currently ranked as the #7 Lightweight in the world accrording to FightMatrix.com and is regarded as one of the top 20 greatest Lightweight fighters of all time. He was the 2011 Breakthrough Fighter of the Year. He holds notable victories over UFC Lightweight Champions Benson Henderson and Eddie Alvarez.
Document 14: Tim Boetsch: Timothy A. Boetsch ( ; born January 28, 1981) is an American professional mixed martial artist currently fighting in the Middleweight division of the Ultimate Fighting Championship. In addition to the UFC, Boetsch has formerly competed as an alternate for the New York Pitbulls in the International Fight League and King of the Cage. He holds victories over former UFC Champion Johny Hendricks and former bellator middleweight champion Hector Lombard. As of July 21, 2017, he is ranked #13 in official UFC Middleweight rankings.
Document 15: KHK MMA: The Khalid Bin Hamad Al Khalifa Mixed Martial Arts (KHK MMA) is a martial arts organization based in Bahrain. It was founded under the patronage of His Highness Khalid bin Hamad Al Khalifa for its current CEO and professional MMA fighter Mohammed "The Hawk" Shahid in February 2015. Fighters competing under KHK MMA banner include: former UFC lightweight champion Frankie Edgar, UFC lightweight contender Khabib Nurmagomedov, UFC lightweight fighter Islam Makhachev, Bellator fighter James Gallagher, 2-time IMMAF champion Jose "Shorty" Torres, former UFC fighter and current Titan FC contender Alex Soto, and current Desert Force fighter Hamza Kooheji. KHK MMA activities include: coaching pro fighters, developing amateur MMA, promoting martial arts events, fitness gyms, and a sports gear brand.
ground_truth: January 28, 1981