Question: American television director David Trainer directed which American sitcom based on the Archie Comics series that premiered in 1996?

Context paragraphs:
Archie's Family Restaurants: Archie's Family Restaurants was a short-lived American restaurant chain based on the characters by Archie Comics.  The facades showed Jughead Jones eating a hamburger.  Around 1972, Archie Comics' parent company, Archie Enterprises, Inc., decided it wanted to further diversify into food service operations.  Barbara and Gary Kovacs, sole owners of the recently founded BarKo Group, Inc., became interested in the venture and bought stock in the Archie companies.  Consequently, BarKo received the contract to develop the restaurants.

Bad Boy Trouble: "Bad Boy Trouble" is an American comic book story by writer Melanie J. Morgan and artists Steven Butler and Al Milgrom that was originally serialized in "Betty & Veronica Double Digest" #151-154.  The story features Betty and Veronica (and other Archie Comics characters), and is notable because of its length (at approximately 100 pages, much longer than most Archie Comics stories) and because it was the first of an occasional series of Archie Comics stories drawn in a more realistic style.  Also unusual for Archie Comics, the story was collected into a trade paperback edition within a month after the original serialization was completed.  The story is based on the Riverdale High novel "Bad News Boyfriend".

Riverdale (2017 TV series): Riverdale is an American teen drama television series based on the characters by Archie Comics.  The series premiered on January 26, 2017, on The CW.  It was adapted for television by Archie Comics' chief creative officer Roberto Aguirre-Sacasa and executive produced by Greg Berlanti.  On March 7, 2017, The CW renewed the series for a second season, which is scheduled to debut on October 11, 2017.  In September 2017, a spin-off series, titled "The Chilling Adventures of Sabrina", was revealed to be in development.

Steven Butler: Steven Butler is an American comic book artist.  He is known both for penciling the Archie Comics series "Sonic the Hedgehog" as well as creating new designs for Archie characters in 2007.

Chapter One: The River's Edge: "Chapter One: The River's Edge" is the pilot and first episode of the first season of the American television series "Riverdale", based on the characters by Archie Comics, revolving around the character of Archie Andrews, portrayed by KJ Apa, and his life in the small town of Riverdale while exploring the darkness hidden behind its seemingly-perfect image.  The episode was written by series creator and Archie Comics' chief creative officer Roberto Aguirre-Sacasa, and was directed by Lee Toland Krieger.

Fly (Impact Comics): The Fly is a fictional character who first appeared in the DC Comics' Impact Comics series, "The Fly".  The character is loosely based on Archie Comics' character, The Fly.

Sabrina the Teenage Witch (TV series): Sabrina the Teenage Witch is an American sitcom based on the Archie Comics series of the same name.  The show premiered on September 27, 1996, on ABC to over 17 million viewers in its “T.G.I.F.” line-up.

Blue Ribbon Comics: Blue Ribbon Comics is the name of two American comic book anthology series, the first published by the Archie Comics predecessor MLJ Magazines Inc., commonly known as MLJ Comics, during the 1930s and 1940s period known as the Golden Age of Comic Books, and the second published in the 1980s by Archie Comics under the Red Circle and Archie Adventure Series banners.

David Trainer: David Trainer is an American television director.  He is perhaps best known for directing every episode of the Fox sitcom "That '70s Show" except the pilot "That '70s Pilot" (which was directed by Terry Hughes).  He also directed the first two seasons of the television show "Boy Meets World" (also a supervising producer) and over 60 episodes of "Designing Women".  Among many others, his directing credits also include several episodes of "FM", "Sabrina the Teenage Witch", "Grace Under Fire", "Cybill", "Anything But Love", "My Boys", "Hot in Cleveland" and "Mike & Molly".

Pep Comics: Pep Comics is the name of an American comic book anthology series published by the Archie Comics predecessor MLJ Magazines Inc. (commonly known as MLJ Comics) during the 1930s and 1940s period known as the Golden Age of Comic Books.  The title continued under the Archie Comics imprint for a total of 411 issues until March 1987.

Supporting paragraphs: David Trainer Sabrina the Teenage Witch (TV series)
Answer: Sabrina the Teenage Witch