Question: Who is the girl on the original broadcaster of the series Known Unknowns is a part of and friends?

full_context: Document 1: 97 Seconds: "97 Seconds" is the third episode of the fourth season of "House" and the seventy-third episode overall. It aired on October 9, 2007.
Document 2: Cavuto on Business: Cavuto on Business is an American business analysis program, the second show of the "Cost of Freedom" business block, on Saturdays at 10:30am ET on the Fox News Channel. The show is hosted by Neil Cavuto.
Document 3: Allison Cameron: Allison Cameron, M.D., is a fictional character on the Fox medical drama "House", portrayed by American actress Jennifer Morrison. An immunologist, Cameron was a member of Dr. Gregory House's team of handpicked specialists at Princeton-Plainsboro Teaching Hospital's Department of Diagnostic Medicine. She returned for the final episode of the series, "Everybody Dies".
Document 4: Fox & Friends: Fox & Friends is a daily morning conservative news / talk program that airs on Fox News Channel, hosted by Steve Doocy, Brian Kilmeade, and Ainsley Earhardt.
Document 5: House (TV series): House (also called House, M.D.) is an American television medical drama that originally ran on the Fox network for eight seasons, from November 16, 2004 to May 21, 2012. The series' main character is Dr. Gregory House (Hugh Laurie), an unconventional, misanthropic medical genius who, despite his dependence on pain medication, leads a team of diagnosticians at the fictional Princeton -- Plainsboro Teaching Hospital (PPTH) in New Jersey. The series' premise originated with Paul Attanasio, while David Shore, who is credited as creator, was primarily responsible for the conception of the title character. The series' executive producers included Shore, Attanasio, Attanasio's business partner Katie Jacobs, and film director Bryan Singer. It was filmed largely in a neighborhood and business district in Los Angeles County's Westside called Century City.
Document 6: Gregory House: Gregory House, M.D., commonly referred to by his surname House, is the title character of the American medical drama series House. Created by David Shore and portrayed by English actor Hugh Laurie, he leads a team of diagnosticians as the Head of Diagnostic Medicine at the fictional Princeton - Plainsboro Teaching Hospital in Princeton, New Jersey (based on the real - life Yale -- New Haven Hospital in New Haven, Connecticut).
Document 7: Known Unknowns: "Known Unknowns" is the seventh episode of the sixth season of "House" and 117th overall. It aired on November 9, 2009. The team tries to diagnose a teenage girl while House is away at a medical conference with Wilson and Cuddy. At the conference House finds something out about Cuddy.
Document 8: I Saw What I Saw: "I Saw What I Saw" is the sixth episode of the sixth season of the American television medical drama "Grey's Anatomy", and the show's 108th episode overall. It was written by Peter William Harper and directed by Allison Liddi-Brown. The episode was originally broadcast on the American Broadcasting Company (ABC) in the United States on October 22, 2009.
Document 9: Your World with Neil Cavuto: Your World with Neil Cavuto (written on-air as Your World Cavuto), which debuted as the "Cavuto Business Report" on the network's launch in 1996, is an American television news and business talk program on Fox News Channel currently hosted by Neil Cavuto. Episodes air live at 4 p.m. ET, Monday through Friday. The show focuses on the development of the markets and the day's events with interviews, current event updates, and analysis. The show has been a part of the Fox News program lineup since October 7, 1996, and is the number one cable news broadcast in its time slot.
Document 10: Abby Lockhart: At the end of the thirteenth season, Abby and Luka plan to honeymoon in Hawaii. However, the night before they are due to depart, Luka receives a phone call from Croatia informing him that his father is ill, so the honeymoon is put on hold until Luka can return from his urgent trip abroad. After Luka's departure, Abby has a tough time with the stern new ER Chief Kevin Moretti, who plans to mold the department into a more efficient and professional work environment, but Moretti quickly tells Abby he is very impressed with her work. Despite this, she seems to dislike him more than many of the other residents. In season 14, Abby is struggling to deal with Luka's absence, raise Joe and work at the ER; in ``Gravity '', Joe is injured after falling off a jungle gym at the playground and Abby ends up falling back into drinking at the episode's end. She approaches Dr. Janet Coburn (the O.B. Chief) who appears to have been her AA sponsor in the past. Abby's drinking problem continues to escalate, and she realizes how bad it is in`` Blackout'' when she shows up drunk to a party in honor of Pratt and Morris passing their boards. Abby finds herself waking up at 3am in Moretti's apartment realizing, after sobering up at the airport when trying to find a flight to Croatia to see Luka, that she slept with him.
Document 11: List of House episodes: "House", also known as "House, M.D.", is an American medical drama series which premiered on Fox on November 16, 2004. "House" was created by David Shore. The show follows Dr. Gregory House (Hugh Laurie), an irascible, maverick medical genius who heads a team of diagnosticians at the fictional Princeton-Plainsboro Teaching Hospital (PPTH) in New Jersey. In a typical episode, the team is presented with an unusual case; the storyline follows the diagnosis of the patient's illness, a process often complicated by the internal competition and personal foibles of the diagnostic team. The team leader, House, frequently clashes with his boss (Dr. Lisa Cuddy (Lisa Edelstein) in seasons 1 through 7, and Dr. Eric Foreman in season 8), and his only friend, Dr. James Wilson (Robert Sean Leonard).
Document 12: Perils of Paranoia: "Perils of Paranoia" is the eighth episode of the eighth season of the American television medical drama series "House" and the 163rd overall episode of the series. It aired on Fox on November 28, 2011.
Document 13: Knight Fall: "Knight Fall" is the eighteenth episode of the sixth season of the American medical drama "House" and it is the 127th episode overall. It aired on April 19, 2010 and was directed by Juan J. Campanella.
Document 14: America Live with Megyn Kelly: America Live with Megyn Kelly was an American news program that aired on the Fox News Channel. The show aired from February 1, 2010 to late 2013, and was hosted by Megyn Kelly, former co-host of "America's Newsroom". It aired 1:003:00 PM Eastern Standard Time Monday through Friday.
Document 15: Fox & Friends: Fox & Friends is a daily morning conservative news/talk program that airs on Fox News Channel, hosted by Steve Doocy, Ainsley Earhardt, and Brian Kilmeade.
ground_truth: Ainsley Earhardt
sub_queries: Of what series is Known Unknowns a part of? Answer: House
House >> original broadcaster Answer: Fox
who is the girl on Fox and friends Answer: Ainsley Earhardt