Question: When was Grace Van Pelt's husband born?

full_context: Document 1: Teresa Lisbon: Teresa Lisbon is a fictional character on the CBS crime drama "The Mentalist", portrayed by Robin Tunney. Lisbon is a former senior agent and leader of the "Serious Crimes Unit" for the California Bureau of Investigation (CBI). After leaving the CBI, she served as a sheriff for a small town in Washington state, but left that position to join the Federal Bureau of Investigation (FBI).
Document 2: Wayne Rigsby: Wayne Rigsby is a fictional character on the CBS crime drama "The Mentalist", portrayed by Owain Yeoman. Rigsby is an agent for the fictionalized California Bureau of Investigation. He is currently a private investigator running a private investigation agency with his wife Grace Van Pelt.
Document 3: Ciarán Hinds: His television roles include Gaius Julius Caesar in the series "Rome", DCI James Langton in "Above Suspicion", Bud Hammond in "Political Animals" and Mance Rayder in the Emmy Award-winning "Game of Thrones". As a stage actor, Hinds has enjoyed spells with the Royal Shakespeare Company, the Royal National Theatre in London and six seasons with Glasgow Citizens' Theatre, and he has continued to work on stage throughout his career.
Document 4: Criminal Minds: Suspect Behavior: Criminal Minds: Suspect Behavior is an American police procedural drama starring Forest Whitaker and Janeane Garofalo that aired on CBS. The show debuted on February 16, 2011, as a spin-off of another series "Criminal Minds" aired on the same network, and is the second show in the "Criminal Minds" franchise. This edition's profiling team also worked for the Federal Bureau of Investigation's Behavioral Analysis Unit (BAU) in Quantico, Virginia. In an April 2010 episode of "Criminal Minds" ("The Fight"), during the show's fifth season, the original team met the new team and worked with them to find a San Francisco serial killer, with the episode serving as the new series' backdoor pilot.
Document 5: Richard Armitage (actor): Richard Crispin Armitage (born 22 August 1971) is an English film, television, theatre and voice actor. He received notice in the UK with his first leading role as John Thornton in the British television programme "North & South" (2004). But it was his role as dwarf prince and leader Thorin Oakenshield in Peter Jackson's film trilogy adaptation of "The Hobbit" that first brought him international recognition. Other notable roles include John Proctor in Yaël Farber’s stage production of Arthur Miller's "The Crucible", Francis Dolarhyde in the American TV series "Hannibal", Lucas North in the British TV drama "Spooks", John Porter in the British TV drama "Strike Back", and Guy of Gisborne in the British TV drama "Robin Hood". He more recently voiced Trevor Belmont in the Netflix adaptation of "Castlevania".
Document 6: Grace Van Pelt: Grace Van Pelt is a fictional character on the CBS crime drama "The Mentalist", portrayed by Amanda Righetti. Van Pelt is a former special agent in the fictionalized California Bureau of Investigation (CBI). She is currently a private investigator running a private investigation agency with her husband Wayne Rigsby.
Document 7: Owain Yeoman: Owain Sebastian Yeoman (born 2 July 1978) is a Welsh actor. His credits include "The Nine", "Kitchen Confidential", AMC's "" (as Benedict Arnold) and the HBO series "Generation Kill". Additionally, he portrayed State Police Agent Wayne Rigsby in "The Mentalist".
Document 8: Richard Wharton (actor): Wharton began his career in 1986 in the film "Running Scared". In 2012, he appeared as The Hippy in "Seven Psychopaths". He has also had several guest roles on television shows like "The Mentalist", "", "Nip/Tuck", and others.
Document 9: Burn Gorman: Burn Hugh Gorman (born 1 September 1974) is an English-American actor and musician. He is known for his roles as Dr. Owen Harper in the BBC series "Torchwood" (2006–08), Karl Tanner in the HBO series "Game of Thrones" (2013–14), Phillip Stryver in "The Dark Knight Rises" (2012), Dr. Hermann Gottlieb in "Pacific Rim" (2013), Major Edmund Hewlett in the AMC series "" (2014), and Mr. Holly in "Crimson Peak" (2015). Since 2015, Gorman has portrayed The Marshal in the Amazon drama "The Man in the High Castle".
Document 10: Emily Prentiss: Emily Prentiss is a fictional character on the CBS crime drama "Criminal Minds", portrayed by Paget Brewster. Prentiss first appeared in "The Last Word" (episode nine of season two), replacing Agent Elle Greenaway, who had quit in "The Boogeyman". Her role in the show's sixth season was reduced, for what Brewster believed to be financial reasons. However, reports on May 28, 2011 at Deadline confirmed that Brewster would be returning to her role for the show's seventh season.
Document 11: Amanda Righetti: Amanda Righetti (born April 4, 1983) is an American actress. She is best known for her role as Grace Van Pelt on "The Mentalist", as well as her roles in "Friday the 13th", "The O.C." and "Colony".
Document 12: Matt Ryan (actor): Matt Ryan (born Matthew Darren Evans; 11 April 1981) is a Welsh actor from Swansea, best known as Edward Kenway in the Ubisoft video game "" and John Constantine in the NBC series "Constantine" and The CW series "Arrow", as well as voicing the character in the 2017 film "Justice League Dark".
Document 13: Matthew Rhys: Matthew Rhys Evans (born 8 November 1974), known professionally as Matthew Rhys, is a Welsh actor. He is best known for his Emmy-nominated role as Philip Jennings on the FX drama series "The Americans". He also starred as Kevin Walker on the ABC television drama "Brothers & Sisters", and as Dylan Thomas in "The Edge of Love".
Document 14: Red John: Red John is a fictional character and the primary antagonist of the CBS crime drama "The Mentalist" for the first five seasons and half of the sixth. As a serial killer, he is believed to have begun his killing spree in 1988, and has, with his operatives and acolytes, killed more than 70 people in California, Nevada, and Mexico, throughout his murder spree. Five years prior to the action of the first episode, he murdered the wife and the daughter of Patrick Jane (Simon Baker), making Jane his dedicated nemesis.
Document 15: Steven Meo: Steven James Meo (born 1977) is a Welsh television actor. He is known for playing Dwayne Hoffman in BBC Wales sitcom "High Hopes" (2002-8), Grant in the BBC Three show "Grownups" (2006-9), and Owen in the BBC Wales drama series "Belonging" (1999-2009). He is also well known for playing the role of Owain Hughes in the third series of "Gavin & Stacey". He appeared as Josh in the "Torchwood" episode "Random Shoes" (2006), and participated in "The Big Welsh Challenge" on BBC Wales. He is currently playing Thénardier in Les Miserables in London's west end.
ground_truth: 2 July 1978