Question: What is the birth date of an African-American porn actress who has appeared in over 200 adult films?

Context paragraphs:
Letha Weapons: Letha Weapons (born July 5, 1972) is an adult model and former porn actress who appeared in many adult films in the big-bust category.

Angel Kelly: Angel Kelly is a retired pornographic actress.  With Jeannie Pepper and Heather Hunter, Kelly was among the first African-American women to "cross over" into mainstream porn video.  She is a member of the AVN Hall of Fame.

Thomas D. Singleton: Thomas Day Singleton (Birth date unknown – November 25, 1833) was a United States Representative from South Carolina.  He was born near Kingstree, South Carolina but his birth date is unknown.

Casey Donovan (actor): Casey Donovan (born John Calvin "Cul" Culver; November 2, 1943 – August 10, 1987) was an American male pornographic film actor from the late 1960s until the mid-1980s, appearing primarily in adult films and videos catering to gay male audiences, during the Golden Age of Porn.  Following a brief career as a Latin teacher and a stint as a highly paid male model, Donovan appeared in the film that would cement his status as a gay icon, "Boys in the Sand", in 1971.  Attempts to build on his notoriety to achieve mainstream crossover success failed, but Donovan continued to be a bankable star in the adult industry for the next 15 years.  He was briefly a mainstream actor, who appeared on stage, as well as a theatre producer and manager and appeared as himself in TV series Emerald City.

LA Direct Models: LA Direct Models is a talent agency for pornographic performers that was formed in 2000 by pornographic actor Derek Hay.  Initially based in London, the agency booked adult film work in the United States for British females.  The following year, once demand had grown, Hay and his porn actress then-girlfriend Hannah Harper moved the agency's headquarters to a one-bedroom apartment in Los Angeles, California.  Their offices have since moved to the Cahuenga Pass, Hollywood, in the same building as the offices of the adult film producer Vivid Entertainment.  In the fall of 2014, the agency opened a new office in Las Vegas, Nevada, and departed the Vivid building.

Crissy Moran: Crissy Moran (born December 22, 1975) is a former American pornographic actress.  She began working in adult entertainment in 1999, and between 2001 and 2006 had performed in over 50 adult films.  In 2006, Moran became a devout Christian and quit working in the adult industry.  After retirement, she began speaking about her experiences in porn and appearing in national media projects addressing what she considers "the harms of pornography"; associating adult films with human sex trafficking and the exploitation of women and children.

Rachel Ryan: Rachel Ryan (born Serina Robinson August 22, 1961) is an American porn actress.  who appeared in over 200 adult videos between 1985 and 1998.  She had many pseudonyms, including Penny Morgan and Penny Moore.

Bree Olson: Rachel Marie Oberlin (born October 7, 1986 ), also known by her stage name Bree Olson, is an American glamour model, actress, national spokesperson, web personality, former pornographic actress and "Penthouse" Pet.  She performed in over 281 pornographic films from 2006 to 2011 before changing to mainstream acting.  Since leaving the industry, she has become vocally critical of the porn industry and the stigma attached to being a former porn actress.

My Life in Porn: My Life in Porn, full title "My Life in Porn: The Bobby Blake Story" was a revealing autobiographical book by Bobby Blake, an African-American retired gay pornographic film actor best known as a dominant top in gay pornographic films, who later retired from adult films around 2000 becoming an ordained Christian minister.

Jeannie Pepper: Jeannie Pepper (born July 9, 1958 in Chicago, Illinois) is an American pornographic actress.  She began in the business in 1982 at age 24 and has appeared in over 200 adult films.  She was still an active actress as recently as 2007, participating in the mature adult genre.

Supporting paragraphs: Angel Kelly Jeannie Pepper
Answer: July 9, 1958