Teacher:In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
Teacher: Now, understand the problem? Solve this instance: Passage: After graduating from the Yale School of Drama, Clarkson was cast in a 1986 Broadway production of The House of Blue Leaves as a replacement in the role of Corrinna Stroller. The following year, she made her feature film debut in Brian De Palma's The Untouchables (1987), portraying Catherine Ness, the wife of US Treasury Prohibition agent Elliott Ness (Kevin Costner). Clarkson stated she was financially struggling during this time and was paying student loans, and that De Palma expanded her role in the film as she originally only had several days' worth of shooting. The next year, she was cast in Clint Eastwood's The Dead Pool (1988), the fifth installment in the Dirty Harry film series. In 1989, she returned to Broadway portraying a Wall Street investment counselor whose brother (played by Kevin Conroy) is diagnosed with AIDS; the play ran from January to March of that year. Clarkson has stated that beginning in the early 1990s, she went through a turbulent period in her career and was unable to find significant work. She had a small role in Jumanji (1995) before being cast in the independent drama High Art (1998), portraying a drug-addicted German actress in New York City. Her performance earned her an Independent Spirit Award nomination for Best Supporting Actress.
Link Information: Costner began his acting career with Sizzle Beach, U.S.A. (1981). Following a few minor supporting parts, he rose to prominence with his portrayal of Eliot Ness in The Untouchables (1987). This was followed by a successful period in his career with starring roles in No Way Out (1987), Bull Durham (1988), Field of Dreams (1989), Dances with Wolves (1990), for which he won two Academy Awards, JFK (1991), (1991), The Bodyguard (1992), and A Perfect World (1993). In 1995, Costner starred in and co-produced Waterworld. The most expensive film ever made at the time, it was a box office disappointment (which nonetheless made a small profit) that marked a downturn in his career. His second directorial feature, The Postman, (1997) was another disappointment. He has since starred in some somewhat unsuccessful films including Message in a Bottle (1999), For Love of the Game (1999), Thirteen Days (2000), 3000 Miles to Graceland (2001), Dragonfly (2002), Rumor Has It (2005), The Guardian (2006), Mr. Brooks (2007), 3 Days to Kill (2014), McFarland, USA (2015), Draft Day (2014), and Criminal (2016). Nevertheless, in recent years he has had supporting parts in critically favored films including The Upside of Anger (2005), Man of Steel (2013), Hidden Figures (2016), Molly's Game (2017), and The Art of Racing in the Rain (2019).

On television, Costner portrayed Devil Anse Hatfield in
the miniseries Hatfields & McCoys (2012), winning the Primetime Emmy Award for Outstanding Lead Actor in a Miniseries or a Movie. Since 2018, he stars as John Dutton on drama series Yellowstone. Answer: 28
Student:
How many films did the actor who played Clarkson husband in her feature film debut star in?