Question: On what date did the episode of "The Simpsons" air, that Travis Powers won a Golden Reel Award for?

Context paragraphs:
Verna Fields Award: The Verna Fields Award is the Golden Reel Award which is annually presented by Motion Picture Sound Editors to a filmmaking student in order to recognize the excellence of their sound editing work.  Luke Dunn Gielmuda of the Australian Film Television and Radio School won the 1998 award for his work on "Preoccupied".  At the 2004 Golden Reel Awards held at Century Plaza Hotel, Manny Holihan won the Verna Fields Award.

Mark W. Ryan: Mark W. Ryan is an award-winning music editor for film and television, currently living in Los Angeles, California.  A two-time winner of the Motion Picture Sound Editors "Golden Reel Award", he has worked on films such as "Liar, Liar" as well as many primetime television and animation shows.  Also a singer and songwriter and an accomplished guitarist, Ryan began his entertainment career as a drummer in his hometown of Cleveland, Ohio.  He earned a B.A. in music theory and percussion from Kent State University in 1983, and married before relocating to Los Angeles in 1986.  He is also credited as a voice-over actor in the 1991 animated series "Little Shop", based on the film "Little Shop Of Horrors", in which he voiced the character Paine Driller.

Golden Screen Award (Canada): The Golden Screen Award, formerly known as the Golden Reel Award, is a Canadian film award, presented to the Canadian film with the biggest box office gross of the year.  The Canadian Motion Picture Distributors Association introduced this award in 1976 as part of the Canadian Film Awards until 1979.  The Golden Reel became part of the Genie Awards ceremonies in 1980, and is currently part of the Canadian Screen Awards.  It was renamed from Golden Reel to Golden Screen as of the 3rd Canadian Screen Awards in 2015.

Treehouse of Horror VIII: "Treehouse of Horror VIII" is the fourth episode of "The Simpsons"<nowiki>'</nowiki> ninth season.  It first aired on the Fox network in the United States on October 26, 1997.  In the eighth annual "Treehouse of Horror" episode, Homer Simpson is the last man left alive when a neutron bomb destroys Springfield until a gang of mutants come after him, Homer buys a transporter that Bart uses to switch bodies with a housefly, and Marge is accused of witchcraft in a Puritan rendition of Springfield in 1649.  It was written by Mike Scully, David X. Cohen and Ned Goldreyer, and was directed by Mark Kirkland.

The Old Man and the Sea (miniseries): The Old Man and the Sea is a 1990 television movie based on the novel "The Old Man and the Sea" by Ernest Hemingway.  The film was nominated for three Emmy Awards for Outstanding Achievement in Music for a Miniseries or a Special (Dramatic Underscore), Outstanding Sound Editing for a Miniseries for a Special, and Outstanding Sound Mixing for a Drama Miniseries or Special.  Stephen Grubbs also won the Motion Picture Sound Editors Golden Reel Award for Best Sound Editing in Television Long Form - Dialogue & ADR

Escape: Human Cargo: Escape: Human Cargo is a 1998 American action television film, directed by Simon Wincer.  In 1999, the film was nominated at the Motion Picture Sound Editors for the Golden Reel Award in the Best Sound Editing - Television movies category.  It lost to "A Soldier's Sweetheart".

Greatest Hits (Lost): "Greatest Hits" is the 21st episode of the third season of "Lost" and 70th episode of the series.  It was written by co-executive producers Edward Kitsis and Adam Horowitz and directed by supervising producer Stephen Williams.  The episode first aired on May 16, 2007, on ABC in the United States and on CTV in Canada.  "Greatest Hits" was viewed by 12 million Americans and was well received by critics.  "Lost"<nowiki>'</nowiki>s editors received a Golden Reel Award nomination.

Vladan Nikolic: Vladan Nikolic is a Serbian independent film director, screenwriter and film producer.  His awards include the TV Sarajevo Award and Zeta Film Award for Best Screenplay, Telluride Indiefest Best Film Award, and Tiburon International Film Festival Golden Reel Award.  His feature film "Love" premiered at the Venice and Tribeca film festivals to critical acclaim and went on to win awards at film festivals in Geneva, Switzerland, and Barcelona, Spain.  His subsequent film "Zenith", incorporated an extensive transmedia project, expanding the film over multiple platforms, including theatrical, video, and online releases.

Manchester (The West Wing): "Manchester" is the two-part third-season premiere of the American political drama television series "The West Wing".  The episodes deal with President Bartlet's decision to run for re-election, and the activities of the weeks leading up to his official announcement.  Both parts were written by Aaron Sorkin and directed by Thomas Schlamme, and the episodes contain the first appearances by Ron Silver, Evan Handler and Connie Britton.  These episodes also mark the first episode where Stockard Channing is added to opening credits, marking that she became a regular character this season.  The second episode was an Emmy nominee for Outstanding Art Direction For A Single-Camera Series.  It also earned a Golden Reel Award nomination for Best Sound Editing in a Television Series.

Travis Powers: Travis F.Powers is a Sound Designer/Supervising sound effects editor and Composer who has worked on several animated television series, including "The Simpsons", "Futurama", "Dilbert", "The PJs", "The Critic", "The Tracey Ullman Show", "Mission Hill" and "King of the Hill".  Powers has received multiple awards.  Including a Golden Reel Award, in 1998 for "Best Sound Editing" for the episode "Treehouse of Horror VIII".

Supporting paragraphs: Travis Powers Treehouse of Horror VIII
Answer: October 26, 1997