Question: When was the pianist that had the Born in the Delta born? 

Context paragraphs:
Arthur Okowa Ifeanyi: Arthur Okowa Ifeanyi (born 8 July 1959) is a Nigerian politician who is the incumbent Governor of Delta State.  He was inaugurated as Governor on 29 May 2015 after winning the state elections conducted in April 2015.  Before his Governorship, he was elected Senator for Delta North, in Delta State, Nigeria, in the April 2011 national elections.  He ran on the People's Democratic Party (PDP) platform.  He is an Ika from Owa-Alero in Delta State, Nigeria.  He is also the first person from Anioma to clinch the governorship position of Delta State.

Born in the Delta: Born in the Delta is an album by blues pianist Pinetop Perkins that was released on May 27, 1997.  Pinetop Perkins was 83 years old when he recorded the album in 1996, having begun his recording career very late in life.

Gerald Grinstein: Gerald ("Jerry") Grinstein (born 1932) is an American businessman, the former Chief Executive Officer (CEO) of Delta Air Lines.  He was CEO of Burlington Northern Railroad from 1985 to 1995, and joined Delta's board of directors in 1987.  He became CEO of Delta in 2004, a time of financial crisis for the airline.  After overseeing the firm's survival through bankruptcy and implementing a restructuring program, he retired as CEO in 2007.

Melissa Witek: Witek was born in Rockledge, Florida.  She later moved to Cocoa Beach, Florida, which presented her with the key to the city in August 2004.  A sister of Delta Delta Delta Sorority, she graduated from the University of Florida with a degree in Public Relations in 2003, the third consecutive University of Florida alumna to win the Miss Florida USA crown.  From 2003 to 2005, Witek was CEO and President of her own builders' supply company, Ampex Granite, which she discussed during her live interview for the Miss USA 2005 pageant.  She has now worked for Porsche Cars North America since 2008 in different roles, and is currently the Porsche Exclusive - Personal Design Manager helping customers to personalize the interior and exterior designs of their vehicles, as well as managing several dealer sales incentives programs.  She is also an integral part of the Porsche 918 Spyder sales program on the Client Relationship Team.

Victor Ochei: Victor Ochei (born 25 February 1969) from Ogbekenu Delta State Nigeria was elected Speaker, Delta State House of Assembly, on 6 June 2011 as the representative of Aniocha North constituency marking the commencement of the Fifth Assembly of the Delta State Legislature.  He held the position of Primus Interpares of the Delta State Assembly for a period of 2 years 9 months of exemplary stewardship before his voluntary resignation on 18 March 2014.

Nolan Harrison: Nolan Harrison III (born January 25, 1969 in Chicago, Illinois) is a former American football defensive lineman who played ten seasons in the National Football League for the Los Angeles/Oakland Raiders, the Pittsburgh Steelers, and the Washington Redskins.  He played college football at Indiana University and was team captain All Big 10 Honorable Mention.  Harrison was drafted in the sixth round of the 1991 NFL Draft.  Harrison was a member of the Delta Chi Fraternity while at IU and received The Distinguished Delta Chi Award from the national Delta Chi Fraternity in 1997.  He went to Homewood-Floosmoor High School in Flossmoor, Illinois and was a three-sport varsity letter winner in wrestling (185 pound weight class and heavyweight), track (400 m relay and mile relay) and football (defensive lineman) and in 2009 his high school football number was officially retired at a ceremony during the halftime of a McDonald's charitable basketball game being played by other former and current NFL players.

Delta (wrestler): Delta (born August 27, 1985) is a Mexican "Luchador" "enmascarado", or masked professional wrestler currently working for the Mexico City based professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL).  Delta's real name is not a matter of public record, as is often the case with masked wrestlers in Mexico where their private lives are kept a secret from the wrestling fans.  Delta is the son of wrestler Trueno and previously wrestled as Hijo del Trueno ("Son of Thunder"), his brother currently works for CMLL wrestling under the ring name Trueno like their father, although the family relationship has not been publicly acknowledged by CMLL.

George Greeley: George Greeley (born Georgio Guariglia; July 23, 1917 – May 26, 2007) was an Italian-American pianist, conductor, composer, arranger, recording artist and record producer who is known for his extensive work across the spectrum of the entertainment industry.  Starting as an arranger and pianist with several notable big bands in the 1940s, he segued into the Hollywood radio scene, working on several nationally-broadcast variety programs.  After conducting an Army Air Force Band during World War II, he was hired by Columbia Pictures as a staff pianist and orchestrator.  He worked as pianist on several hundred motion pictures, worked with many famous composers orchestrating their soundtrack compositions, and created original compositions of his own in several dozen movies.  It was Greeley's hands that performed the piano parts that Tyrone Power mimed in "The Eddy Duchin Story."  Concurrent with his work at Columbia Pictures, George Greeley also worked at Capitol Records as music director, pianist, and conductor for many artists such as Gordon MacRae, Jane Powell, Jo Stafford, Frankie Laine, and Doris Day.  He was hired in the late 1950s by the newly established Warner Brothers Records.  George Greeley arranged, orchestrated and performed as primary artist for a series of hit recordings entitled "Popular Piano Concertos."  As music tastes changed in the late 1960s, Greeley had already moved into television, composing themes and music for popular TV series like "My Favorite Martian," "The Ghost and Mrs. Muir," "Nanny and the Professor," and "Small Wonder."  He performed as featured piano soloist and as guest conductor in concert appearances around the world.  George Greeley died from emphysema at age 89 in Los Angeles, California.

Pinetop Perkins: Joe Willie "Pinetop" Perkins (July 7, 1913 – March 21, 2011) was an American blues pianist.  He played with some of the most influential blues and rock-and-roll performers of his time and received numerous honors, including a Grammy Lifetime Achievement Award and induction into the Blues Hall of Fame.

Ron Roberts (American football): Ron Roberts (born October 9, 1967) is the head football coach at Southeastern Louisiana University.  He was the head coach at Delta State University for five seasons.  He grew up in California and attended the College of the Sequoias before transferring to the University of Tennessee at Martin where he played linebacker from 1986 to 1989.  He began his coaching career in 1990 as a high school defensive coordinator, and has coached at several high schools and held assistant coaching positions at the college level at Greensboro, Tusculum, Texas State and Delta State.  Roberts was promoted as Delta State's head football coach in 2007 and led the Statesmen to playoff appearances four times between 2007 and 2011.  He was named Southeastern Louisiana's head coach on December 19, 2011.

Supporting paragraphs: Born in the Delta Pinetop Perkins
Answer: July 7, 1913