Question: What year was the brother of the #2 contender in the UFC Middleweight  division born in?

Context paragraphs:
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).

Ronaldo Souza: Ronaldo Souza dos Santos (born December 7, 1979), nicknamed Jacaré (] ), is a Brazilian mixed martial artist, submission grappler and Brazilian jiu-jitsu practitioner competing in the UFC's middleweight division.  Souza is the former Strikeforce Middleweight Champion, and has also formerly competed for DREAM, and Jungle Fight.  As of February 11, 2016, he is #3 in official UFC middleweight rankings.

Anderson Silva: Anderson da Silva (] ; born April 14, 1975) is a Brazilian mixed martial artist and former UFC Middleweight Champion.  Silva holds the longest title streak in UFC history, which ended in 2013 after 2,457 days, with 16 consecutive wins and 10 title defenses.  He has 13 post-fight bonuses, the second most in UFC history.  UFC president Dana White and several mixed-martial-arts publications have called Silva the greatest mixed martial artist of all time.  He is currently ranked the #6 contender in official UFC middleweight rankings.

Brett Cooper (fighter): Brett Cooper (born July 2, 1987) is an American mixed martial artist who formerly fights for Bellator Fighting Championships in the Middleweight division and has also fought as a Welterweight.  He has also competed in the IFL, Affliction, Shooto, and Jungle Fight.  He fights out of Reign Training Center, alongside UFC Middleweight Mark Munoz.  Cooper is the former ACB Welterweight champion.

Yoel Romero: Yoel Romero Palacio (born April 3, 1977) is a Cuban mixed martial artist (MMA) and former World Champion and Olympic silver medalist in freestyle wrestling.  He competes in the Middleweight division of the Ultimate Fighting Championship, and formerly competed in the now-defunct Strikeforce organization.  As of July 17, 2017, Romero is the #2 contender in the UFC Middleweight division. .

Frank Shamrock: Frank Shamrock (born Frank Alisio Juarez, III; December 8, 1972) is an American former mixed martial artist.  Shamrock was the first to hold the UFC Middleweight Championship (later renamed the UFC Light Heavyweight Championship) and retired as the four-time defending undefeated champion.  Shamrock was the No. 1 ranked pound for pound UFC fighter in the world during his reign as the UFC Middleweight Champion.  Shamrock has won numerous titles in other martial arts organizations, including the interim King of Pancrase title, the WEC Light Heavyweight Championship and the Strikeforce Middleweight Championship.

Yoan Pablo Hernández: Yoan Pablo Hernández Suárez (born October 28, 1984) is a Cuban-German former professional boxer who competed from 2005 to 2014.  He held the unified IBF and "Ring" magazine cruiserweight titles, as well as the WBA interim cruiserweight title.  His brother Yoel Romero is a freestyle wrestler and mixed martial artist.

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.

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.

Sam Alvey: Samuel Alvey (born May 6, 1986) is an American mixed martial artist currently competing in the Middleweight division of the Ultimate Fighting Championship.  A professional MMA competitor since 2008, Alvey has also formerly competed for Bellator, King of the Cage, the MFC, and was a contestant on .  As of March 2017, Alvey is #14 in the official UFC Middleweight Rankings.

Supporting paragraphs: Yoan Pablo Hernández Yoel Romero
Answer: 1984