Question: Who produced the online reality tv series The Sex Factor featuring porn actress Lexi Belle?

Context paragraphs:
Blair McDonough: Blair McDonough (born 30 April 1981, in Melbourne, Victoria, Australia) is an actor who is best known for playing the role of Stuart Parker in the Australian TV soap opera "Neighbours".  He first shot to fame the age of 19 in 2001, when he finished runner-up in the inaugural season of the reality TV series "Big Brother".  He has since appeared on a number of other reality TV shows.

Malou (model): Malou (born 1984 in Copenhagen) is a Danish former softcore porn actress and she also appeared in fetish pictures.  She first got noticed in 2003 and in 2004 she became the front page girl for the magazine Eurotic.  In 2005 she moved to the United States to work as a promo girl for sex products made by the company Black Video Media.  Malou today resided in Copenhagen Denmark again.

The Sex Factor: The Sex Factor is an online reality TV series produced by xHamster where eight men and eight women compete to become a porn star.  The sixteen contestants supposedly have never had sex on camera prior to the series.  The show stars Asa Akira as the host, and also features Lexi Belle, Tori Black, Remy LaCroix, and Keiran Lee as mentors and judges.  Belle Knox was initially going to host the show, but was replaced by Akira.

Traci Takes Tokyo: Traci Takes Tokyo (Japanese: 邦題：THE・エロス , Hepburn: Hōdai: THE Eros ) is an American-Japanese pornographic movie released in 1986 which starred an underaged Traci Lords who also served as co-producer.  It was the first project from Lords' own "Traci Lords Company" and filmed in Tokyo, featuring renowned pink film and AV director Tadashi Yoyogi as co-director.  The scenes include Lords and a mainly Japanese cast, including Kyōko Aizome, who has been called, "the first hard-core porn actress in Japan."  with her 1981 film "Hakujitsumu" by Tetsuji Takechi.  Because Traci Lords was 17 years old when the film was made, the film is illegal in the United States, although it is legally available in many other jurisdictions.  It is also known as "Traci: Made in Japan" and "The Virgin Hunters".

National Reality Television Awards: The National Reality TV Awards also known as Reality TV Awards or NRTA are an annual award show produced by the IEG Global and National Media Group .  The awards show became the first ever awards ceremony to launch in both the UK and US to celebrate the cast and crew from the reality TV industry.

Family Business (TV series): Family Business (referred to as Porn: A Family Business in the UK) is an American reality TV series produced for the cable network Showtime.  Based in Los Angeles, the series focused on the pornography industry and the life of Adam Glasser, a reality porn star and video director who uses the stage name Seymore Butts.

Lexi Belle: Lexi Belle (born August 5, 1987) is the stage name of an American pornographic actress.

Trishelle Cannatella: Trishelle Cannatella (born November 4, 1979) is an American reality TV contestant, "Playboy" model, and actress, known for her appearances on the MTV reality television series "", and the "Real World" spinoff show "The Challenge".  She has also appeared on other reality shows such as "The Surreal Life", "Kill Reality", "Punk'd" and "Fear Factor".  She has also made appearances in TV ads and music videos, posed nude in "Playboy" magazine, appeared in the horror film "The Scorned", and competed successfully in celebrity poker tournaments.

Jessica Hall (American actress): Jessica Danielle Hall (born June 21, 1983) is an American actress, model, reality TV and radio personality who appears in the reality television show series "Kendra" on E!.  She is the older sister of fellow reality TV personality Stacie Hall from MTV reality television series "The Hills".

Biagio Messina: Biagio Messina is an American television producer, director, showrunner, filmmaker, and actor.  His hometown is Cleveland, Ohio.  He played the role of Marc Cram on the Nickelodeon sitcom "Kenan & Kel".  His filmmaking credits include the feature-length, theatrically released documentary "Dying to do Letterman", which was invited by the International Documentary Association to qualify for Academy Award consideration.  Messina's television producing credits include the VH1 reality TV series "Scream Queens", the MTV documentary series "Caged", The CW reality show "Beauty and the Geek", and the MTV "True Life" "Presents" documentary "Secrets, Lies, and Sex".  Messina has produced and contributed to over one-hundred hours of TV and film.

Supporting paragraphs: The Sex Factor Lexi Belle
Answer: xHamster