Question: What subsidiary group owns the television network that televised the 73rd Academy Awards?

Context articles: Rita Ryack
American Broadcasting Company
Rejected
75th Academy Awards
Black and white Valentino dress of Julia Roberts
Meet the Parents (soundtrack)
Ernest Lehman
Sky Hook (film)
73rd Academy Awards
John Nelson (visual effects artist)

Rita Ryack is a costume designer who was nominated for an Academy award during the 73rd Academy Awards for Best Costumes.
 This was for "How the Grinch Stole Christmas".
The American Broadcasting Company (ABC) television network is an American English language commercial broadcast television network that is owned by the Disney–ABC Television Group, a subsidiary of the Disney Media Networks division of The Walt Disney Company.
 The network is headquartered on Columbus Avenue and West 66th Street in Manhattan, New York City.
 There are additional major offices and production facilities elsewhere in New York City, as well as in Los Angeles and Burbank, California.
Rejected is an animated short comedy film by Don Hertzfeldt that in 2000 was nominated for an Academy Award for Best Animated Short Film at the 73rd Academy Awards.
 It received 27awards from film festivals around the world.
The 75th Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences (AMPAS) took place on March 23, 2003, at the Kodak Theatre in Hollywood, Los Angeles beginning at 5:30 p.m. PST / 8:30 p.m. EST.
 During the ceremony, AMPAS presented Academy Awards (commonly referred to as Oscars) in 24 categories honoring films released in 2002.
 The ceremony, televised in the United States by ABC, was produced by Gil Cates and was directed by Louis J. Horvitz.
 Actor Steve Martin hosted for the second time, having previously presided over the 73rd ceremony held in 2001.
 Three weeks earlier in a ceremony at Regent Beverly Wilshire Hotel in Beverly Hills, California held on March 1, the Academy Awards for Technical Achievement were presented by host Kate Hudson.
The black and white Valentino dress of Julia Roberts refers to the black and white Valentino dress worn by Julia Roberts at the 73rd Academy Awards on March 25, 2001, during which she won the Academy Award for her performance in "Erin Brockovich".
 Widely praised by fashion critics, a poll by Debenhams, published in the "Daily Telegraph", voted it the third most iconic red carpet dress of all time.
 The dress was a vintage 1992 design from the Valentino archives, intended to evoke the style of classic Hollywood; Valentino had designed for prominent fashion icons such as Jackie Kennedy and Elizabeth Taylor.
Meet the Parents is the soundtrack that accompanies the 2000 film "Meet the Parents".
 The soundtrack album was released on September 26, 2000 on the DreamWorks Records label.
 "A Fool in Love", an original composition by Randy Newman featured on the album, was nominated for an Academy Award for Best Original Song at the 73rd Academy Awards which marked the 14th time that Newman's music was nominated for an Oscar.
 The same song also won the 16th Annual ASCAP Film & Television Music Award and was nominated at the Golden Satellite Awards 2000.
Ernest Paul Lehman (December 8, 1915 – July 2, 2005) was an American screenwriter.
 He was nominated six times for Academy Awards for his screenplays during his career, but did not win.
 At the 73rd Academy Awards in 2001, he received an Honorary Academy Award in recognition of his achievements and his influential works for the screen.
 His work inspired new generations of screenwriters and captivated filmmakers, actors, film critics, and audiences.
 He was the first screenwriter to receive that honor.
 The award was presented to him by Julie Andrews, a friend and star of "The Sound of Music".
Sky Hook (Serbian: "Nebeska udica", Небеска удица ) is a 2000 Yugoslavian film directed by Ljubiša Samardžić.
 It was Yugoslavia's submission to the 73rd Academy Awards for the Academy Award for Best Foreign Language Film, but was not accepted as a nominee.
The 73rd Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences (AMPAS), honored films of 2000 and took place on March 25, 2001, at the Shrine Auditorium in Los Angeles, beginning at 5:30 p.m. PST / 8:30 p.m. EST.
 During the ceremony, AMPAS presented Academy Awards (commonly referred to as Oscars) in 23 categories.
 The ceremony, televised in the United States by ABC, was produced by Gil Cates and was directed by Louis J. Horvitz.
 Actor Steve Martin hosted the show for the first time.
 Three weeks earlier in a ceremony at the Regent Beverly Wilshire Hotel in Beverly Hills, California held on March 3, the Academy Awards for Technical Achievement were presented by host Renée Zellweger.
John Nelson (born July 21, 1953 in Detroit, Michigan) is a Visual effects supervisor and a 1976 graduate of the University of Michigan.
 He won the Academy Award for Best Visual Effects at the 73rd Academy Awards, for his work on the film "Gladiator".
 He was also nominated for the Academy Award for Best Visual Effects for supervising the visual effects in the films "I, Robot" and "Iron Man".