Question: The first wife of US President Ronald Reagan starred in a 1945 film directed by whom?

full_context: Document 1: The Lost Weekend (film): The Lost Weekend is a 1945 American drama directed by Billy Wilder and starring Ray Milland and Jane Wyman. The film was based on Charles R. Jackson's 1944 novel of the same name about an alcoholic writer. The film was nominated for seven Academy Awards and won four: Best Picture, Best Director, Best Actor, and Best Writing (Adapted Screenplay). It also shared the Grand Prix at the first Cannes Film Festival, making it one of only two films to win both the Academy Award for Best Picture and the highest award at Cannes.
Document 2: William A. Wellman: William Augustus Wellman (February 29, 1896 – December 9, 1975) was an American film director notable for his work in crime, adventure and action genre films, often focusing on aviation themes, a particular passion. He also directed several well-regarded satirical comedies. Beginning his film career as an actor, he went on to direct over 80 films, at times co-credited as producer and consultant. In 1927, Wellman directed "Wings", which became the first film to win an Academy Award for Best Picture at the 1st Academy Awards ceremony.
Document 3: Ronald Reagan: Ronald Wilson Reagan ( ; February 6, 1911 – June 5, 2004) was an American statesman and actor who served as the 40th President of the United States from 1981 to 1989. Before his presidency, he was the 33rd Governor of California, from 1967 to 1975, after a career as a Hollywood actor and union leader.
Document 4: Speeches and debates of Ronald Reagan: The speeches and debates of Ronald Reagan comprise the seminal oratory of the 40th President of the United States. Reagan began his career in Iowa as a radio broadcaster. In 1937, he moved to Los Angeles where he started acting, first in films and later television. After delivering a stirring speech in support of Barry Goldwater's presidential candidacy in 1964, he was persuaded to seek the California governorship, winning two years later and again in 1970. In 1980 as the Republican candidate for president of the United States, he defeated incumbent Jimmy Carter. He was reelected in a landslide in 1984, proclaiming that it was "Morning in America". Reagan left office in 1989.
Document 5: Citizen Kane: Citizen Kane is a 1941 American mystery drama film by Orson Welles, its producer, co-screenwriter, director and star. The picture was Welles's first feature film. Nominated for Academy Awards in nine categories, it won an Academy Award for Best Writing (Original Screenplay) by Herman J. Mankiewicz and Welles. Considered by many critics, filmmakers, and fans to be the greatest film of all time, "Citizen Kane" was voted as such in five consecutive British Film Institute "Sight & Sound" polls of critics, until it was displaced by "Vertigo" in the 2012 poll. It topped the American Film Institute's 100 Years ... 100 Movies list in 1998, as well as its 2007 update. "Citizen Kane" is particularly praised for its cinematography, music, editing and narrative structure, which have been considered innovative and precedent-setting.
Document 6: 14th Academy Awards: The 14th Academy Awards honored American film achievements in 1941 and was held in the Biltmore Bowl at the Biltmore Hotel in Los Angeles, California. The ceremony is now considered notable, in retrospect, as the year in which "Citizen Kane" failed to win Best Picture, which instead was awarded to John Ford's "How Green Was My Valley". Ford won his third award for Best Director, becoming the second to accomplish three wins in that category, and the first to win in consecutive years (having won for "The Grapes of Wrath" the previous year).
Document 7: Billy Wilder: Samuel "Billy" Wilder ( ; ] ; June 22, 1906March 27, 2002) was an Austrian-American filmmaker, screenwriter, producer, artist, and journalist whose career spanned more than five decades. He is regarded as one of the most brilliant and versatile filmmakers of Hollywood's golden age. With "The Apartment", Wilder became the first person to win Academy Awards as producer, director, and screenwriter for the same film.
Document 8: Ava Gardner: Ava Lavinia Gardner (December 24, 1922 – January 25, 1990) was an American actress and singer.
Document 9: Jane Fonda: Jane Fonda (born Jayne Seymour Fonda; December 21, 1937) is an American actress, writer, political activist, former fashion model and fitness guru. She is a two-time Academy Award winner and two time BAFTA Award winner. In 2014, she was the recipient of the American Film Institute AFI Life Achievement Award.
Document 10: Nancy Reagan: Nancy Davis Reagan (born Anne Frances Robbins; July 6, 1921 – March 6, 2016) was an American film actress and the wife of Ronald Reagan, the 40th President of the United States. She served as the First Lady of the United States from 1981 to 1989.
Document 11: Janet Gaynor: Janet Gaynor (born Laura Augusta Gainor; October 6, 1906 – September 14, 1984) was an American film, stage and television actress and painter.
Document 12: Ivana Trump: Ivana Marie Trump (née Zelníčková , ] ; February 20, 1949) is a Czech-American businesswoman and former fashion model. She was the first wife of Donald Trump from 1977 until 1992.
Document 13: Jane Wyman: Jane Wyman (born Sarah Jane Mayfield; January 5, 1917 – September 10, 2007) was an American actress, singer, dancer and philanthropist whose career spanned seven decades. She was also the first wife of 40th President of the United States Ronald Reagan; they married in 1940 and divorced in 1949.
Document 14: 18th Academy Awards: The 18th Academy Awards was the first such ceremony after World War II. As a result, the ceremony featured more glamour than had been present during the war. Plaster statuettes that had been given out during the war years were replaced with bronze statuettes with gold plating. Despite this, director Billy Wilder's grim and socially significant drama "The Lost Weekend" took the top honors. It became the first film to win both the Academy Award for Best Picture and the Palme d'Or. Joan Crawford was absent, claiming she had pneumonia (although it was said it was because she was sure she would not win the Academy Award for Best Actress for "Mildred Pierce"). As it turned out she did win, and the award was delivered to her while in bed that night.
Document 15: The Country Girl (1954 film): The Country Girl is a 1954 American drama film directed by George Seaton and starring Bing Crosby, Grace Kelly, and William Holden. Adapted by George Seaton from Clifford Odets' 1950 play of the same name, the film is about an alcoholic has-been actor struggling with the one last chance he's been given to resurrect his career. Seaton won the Academy Award for Best Writing, Adapted Screenplay. It was entered in the 1955 Cannes Film Festival.
ground_truth: Billy Wilder