Question: What Disney film Lillie Hayward wrote which was about Wilby Daniels?

Context paragraphs:
Lillie Hayward: Lillie Hayward (September 12, 1891 – June 29, 1977) was an American screenwriter whose Hollywood career began during the silent era and continued well into the age of television.  She wrote for more than 70 films and TV shows including the Disney film "The Shaggy Dog" and television series The Mickey Mouse Club and "Walt Disney's Wonderful World of Color".  She was also remembered for the films "Her Husband's Secretary" and "Aloma of the South Seas", the latter written in part with the help of her sister, actress and screenwriter Seena Owen

Songwriter (Justin Hayward album): Songwriter is an album by Justin Hayward released in February 1977.  Hayward wrote all of the songs and played all of the instruments on the songs "Raised On Love" and "Nostradamus."  The album also features musicians Hayward had worked with on his previous project, "Blue Jays" recorded with John Lodge.  These included Jim Cockey on violin, Tom Tompkins on viola, and Tim Tompkins on cello, all members of the band Providence, and Mel Galley on bass, Terry Rowley on guitars, and Dave Holland on drums, all members of the band Trapeze.  Ken Freeman played the keyboards.  According to the LP liner notes, Hayward's daughter Doremi (born December 1972) sang on "Raised on Love."

Housewife (film): Housewife is a 1934 American drama film directed by Alfred E. Green.  The screenplay by Manuel Seff and Lillie Hayward is based on a story by Hayward and Robert Lord.

The Shaggy Dog (1959 film): The Shaggy Dog is a black-and-white 1959 Walt Disney film about Wilby Daniels, a teenage boy who by the power of an enchanted ring of the Borgias is transformed into the title character, a shaggy Old English Sheepdog.  The film was based on the story "The Hound of Florence" by Felix Salten.  It is directed by Charles Barton and stars Fred MacMurray, Tommy Kirk, Jean Hagen, Kevin Corcoran, Tim Considine, Roberta Shore, and Annette Funicello.  This was Walt Disney's first live-action comedy.

My Own Pal: My Own Pal is a lost 1926 American silent Western film directed by John G. Blystone and written by Lillie Hayward.  The film stars Tom Mix, Olive Borden, Tom Santschi, Virginia Marshall, Ben Bard and William Colvin.  The film was released on February 28, 1926, by Fox Film Corporation.

On the Border (film): On the Border is a 1930 all-talking drama with songs that stars Rin Tin Tin.  It was adapted from a story by Lillie Hayward who also wrote the screenplay.  Armida sings two songs in the picture.

The Man Hunter: The Man Hunter is a 1930 American pre-Code all-talking adventure drama that stars Rin Tin Tin.  The film was released by Warner Brothers, and was adapted by James A. Starr (who wrote the screenplay and dialogue) from a story by Lillie Hayward who also wrote the screenplay.

My Pal Wolf: My Pal Wolf is a 1944 American drama film directed by Alfred L. Werker from a screenplay by Lillie Hayward, Leonard Praskins, and John Paxton, based on the story by Frederick Hazlitt Brennan.  Produced and distributed by RKO Radio Pictures, the film was released on October 8, 1944.  The film stars Sharyn Moffett (in her film debut), Jill Esmond, Una O'Connor, George Cleveland, Charles Arnt, and Claire Carleton.  In addition to Moffett's debut, this picture also marked the production debut of Adrian Scott, who was a writer and producer, who would become a member of the Hollywood Ten.

Walt Disney Presents: Annette: Walt Disney Presents: Annette is a television serial that ran on "The Mickey Mouse Club" during the show's third season (1957–1958).  It starred Annette Funicello as Annette McCleod (pronounced mik-clowd), a poor, orphaned country girl who moves into town with her upper-class aunt and uncle.  The serial also starred Richard Deacon as Uncle Archie McCleod, Sylvia Field as Aunt Lila McCleod, Mary Wickes as Katie the housekeeper and prolific Disney child stars Tim Considine, David Stollery and Roberta Shore as Annette's friends.  The story was adapted by Lillie Hayward (who also worked on "Spin and Marty") from the book "Margaret" by Janette Sebring Lowrey.

The Best Bad Man: The Best Bad Man is a 1925 American silent Western film directed by John G. Blystone and written by Lillie Hayward.  The film stars Tom Mix, Buster Gardner, Cyril Chadwick, Clara Bow, Tom Kennedy and Frank Beal.  The film was released on November 29, 1925, by Fox Film Corporation.

Supporting paragraphs: Lillie Hayward The Shaggy Dog (1959 film)
Answer: The Shaggy Dog