Question: Who played the girlfriend of Alex P. Keaton's actor on Family Ties in Back to the Future?

Context paragraphs:
paragraph_text: Alex O'Loughlin / oʊ ˈlɒklɪn / (born 24 August 1976) is an Australian actor, writer and director, who plays Lieutenant Commander Steve McGarrett on CBS 'remake of the TV series Hawaii Five - 0. He had starring roles in the films Oyster Farmer (2004) and The Back - up Plan (2010), as well as on such television series as Moonlight (2008) and Three Rivers (2009).
title: Alex O'Loughlin
paragraph_text: The character was played by Claudia Wells in Back to the Future. However, Wells was not available to film the sequels for personal reasons, and the role was recast to Elisabeth Shue although Wells reprised her role as Jennifer in Back to the Future: The Game as a punk rock version of her character. Consequently, the opening scene of Back to the Future Part II was re-shot with Shue taking Wells' place, rather than using the ending of Back to the Future. In the spin - off Back to the Future: the Animated Series, Jennifer was voiced by Cathy Cavadini.
title: List of Back to the Future characters
paragraph_text: Sister Mary Explains It All is a 2001 satirical dark comedy film written by Christopher Durang and directed by Marshall Brickman. The film, based upon Durang's 1979 play "Sister Mary Ignatius Explains It All For You", and starring Diane Keaton in the title role, premiered on the Showtime network.
title: Sister Mary Explains It All
paragraph_text: The personal lives of Malloy and Reed come up on occasion, and are always tied into their duties. Malloy is a bachelor who has at least two girlfriends during the course of the series (the last being Judy (Aneta Corsaut)), while Reed is married to a woman named Jean (played by several actresses including Kristin Nelson) and later becomes a father.
title: Adam-12
paragraph_text: Alex O'Loughlin / oʊ ˈlɒklɪn / (born 24 August 1976) is an Australian actor, writer and director, who plays Lieutenant Commander Steve McGarrett on CBS 'remake of the TV series Hawaii Five - 0. He had starring roles in the films Oyster Farmer (2004) and The Back - up Plan (2010), as well as on such television series as Moonlight (2008) and Three Rivers (2009).
title: Alex O'Loughlin
paragraph_text: The plot follows the Christmas holiday misadventures of the Stone family in a small New England town when the eldest son, played by Mulroney, brings his uptight girlfriend (played by Parker) home with the intention of proposing to her with a cherished heirloom ring. Overwhelmed by the hostile reception, she begs her sister to join her for emotional support, triggering further complications.
title: The Family Stone
paragraph_text: Seven Chances is a 1925 American comedy silent film directed by and starring Buster Keaton, based on the play of the same name by Roi Cooper Megrue, produced in 1916 by David Belasco. Additional cast members include T. Roy Barnes, Snitz Edwards and Ruth Dwyer. Jean Arthur, a future star, has an uncredited supporting role. The film's opening scenes were shot in early Technicolor, and this rare color footage still survives on the Kino International special edition DVD print.
title: Seven Chances
paragraph_text: Following Stoltz's departure, Fox's schedule during weekdays consisted of filming Family Ties during the day, and Back to the Future from 6:30 pm to 2:30 am. He averaged five hours of sleep each night. During Fridays, he shot from 10 pm to 6 or 7 am, and then moved on to film exterior scenes throughout the weekend, as only then was he available during daytime hours. Fox found it exhausting, but "it was my dream to be in the film and television business, although I didn't know I'd be in them simultaneously. It was just this weird ride and I got on." Zemeckis concurred, dubbing Back to the Future "the film that would not wrap". He recalled that because they shot night after night, he was always "half asleep" and the "fattest, most out-of-shape and sick I ever was".
title: Back to the Future
paragraph_text: Brian Eric Bonsall (born December 3, 1981) is an American rock musician, singer, guitarist and former child actor. He is perhaps best known for his roles as Andrew ``Andy ''Keaton, the youngest child on the NBC sitcom Family Ties from 1986 until 1989, and Alexander Rozhenko, the son of Worf and K'ehleyr, on Star Trek: The Next Generation from 1992 to 1994.
title: Brian Bonsall
paragraph_text: David Hull (born 1985) is an American actor, best known for playing White Josh in The CW comedy - drama series Crazy Ex-Girlfriend.
title: David Hull (actor)
paragraph_text: Nick Jonas as Jefferson ``Seaplane ''McDonough, a young aircraft pilot in Jumanji who is Alex Vreeke's avatar. Mason Guccione as Alex Vreeke, a teenage gamer who was trapped inside the Jumanji video game for two decades. Colin Hanks plays the adult Alex when he appears two decades later.
title: Jumanji: Welcome to the Jungle
paragraph_text: Keba Paul Koulibaly is a Burkinabé football defender who plays for the Burkina Faso national football team. He plays as a centre back or a left back. He currently plays for ENPPI Club in Egypt.
title: Paul Koulibaly
paragraph_text: Back to the Future: Music from the Motion Picture Soundtrack is the soundtrack album to the film of the same name. It was released on July 8, 1985 by MCA Records. The album included two tracks culled from Alan Silvestri's compositions for the film, two tracks from Huey Lewis and the News, two songs played by the fictional band Marvin Berry and The Starlighters, one played by Marty McFly and The Starlighters, and two pop songs that are only very briefly heard in the background of the film.
title: Back to the Future (soundtrack)
paragraph_text: Trestin George (born August 24, 1983) is an American actor and former professional American football defensive back. He played for the BC Lions of the Canadian Football League until he requested his release to be closer to his family. He was signed as an undrafted free agent by the Jacksonville Jaguars in 2006. He played college football for the San Jose State Spartans.
title: Trestin George
paragraph_text: Back to Black is the second and final studio album by English singer and songwriter Amy Winehouse, released on 27 October 2006 by Island Records. Winehouse predominantly based the album on her tumultuous relationship with then-ex-boyfriend and future husband Blake Fielder-Civil, who temporarily left her to pursue his previous ex-girlfriend. Their short-lived separation spurred her to create an album that explores the themes of guilt, grief, infidelity and heartbreak in a relationship.
title: Back to Black
paragraph_text: On October 26, 1985, Dr. Emmett Brown arrives in his flying time machine and persuades Marty McFly and his girlfriend, Jennifer Parker, to come back to the future with him to help their future children. Biff Tannen witnesses their departure. They arrive on October 21, 2015, where Doc electronically knocks out Jennifer and leaves her asleep in an alley, explaining that she should not have too much knowledge of future events. He has Marty pose as his own son and lookalike Marty Jr. to refuse an offer to participate in a robbery with Biff's grandson Griff, thus saving both of Marty's children from prison.
title: Back to the Future Part II
paragraph_text: Andy Barclay Child's Play character Andy in Child's Play 2 First appearance Child's Play Created by Don Mancini Portrayed by Alex Vincent (1 - 2, 6 - 7) Justin Whalin (3) Information Full name Andrew William Barclay Gender Male Family Karen Barclay (mother) Mr. Barclay (deceased father) Michael Norris (stepfather) Kyle (foster sister) Phil Simpson (deceased foster father) Joanne Simpson (deceased foster mother) Nationality American
title: Andy Barclay
paragraph_text: Mason Guccione as Alex Vreeke, a teenage gamer who played (and was trapped inside) the Jumanji video game for 20 years. Colin Hanks plays the adult Alex when he appears 20 years later.
title: Jumanji: Welcome to the Jungle
paragraph_text: George Douglas McFly (portrayed by Crispin Glover in Back to the Future and by Jeffrey Weissman in Back to the Future Part II and Back to the Future Part III and voiced by Michael X. Sommers in Back to the Future: The Game) is the father of Marty, Linda and Dave from the union with his wife Lorraine Baines McFly. Although he is one of the main characters in the first movie, George only makes cameos in Back to the Future Part II and Back to the Future Part III.
title: List of Back to the Future characters
paragraph_text: Alex P. Keaton is a fictional character on the United States television sitcom Family Ties, which aired on NBC for seven seasons, from 1982 to 1989. Family Ties reflected the move in the United States away from the cultural liberalism of the 1960s and 1970s to the conservatism of the 1980s. This was particularly expressed through the relationship between Young Republican Alex (Michael J. Fox) and his hippie parents, Steven (Michael Gross) and Elyse Keaton (Meredith Baxter). President of the United States Ronald Reagan once stated that Family Ties was his favorite television show.
title: Alex P. Keaton

Reasoning steps:
who played alex p keaton on family ties >>>> Michael J. Fox
who played Michael J. Fox girlfriend in back to the future >>>> Claudia Wells

Answer: spans: Claudia Wells