Question: Who played the other twin in parent trap?

Disambiguated questions and answers:
context: The Parent Trap is a 1961 Walt Disney Technicolor film. It stars Hayley Mills (in a dual role), Maureen O'Hara and Brian Keith in a story about teenage twins on a quest to reunite their divorced parents. The screenplay by the film's director David Swift was based upon the 1949 book "Lottie and Lisa" (German: ) by Erich Kästner. "The Parent Trap" was nominated for two Academy Awards, was broadcast on television, saw three television sequels, was remade in 1998 with Lindsay Lohan, and has been released on digital stereo LaserDisc format in 1986 as well as VHS and DVD in 2002.
question: Who played the part of the twins in parent trap(1961) ?
short_answers: Hayley Mills
wikipage: The Parent Trap (1961 film)
context: The Disney Studios produced three television sequels "The Parent Trap II" (1986), "Parent Trap III" (1989) and "" (1989). The original was remade in 1998 starring Lindsay Lohan, Dennis Quaid and Natasha Richardson. Joanna Barnes also made an appearance as Vicki, the mother of Dennis Quaid's character's fiancée, Meridith. Vicki is the same name as Barnes' character in the 1961 film, hinting at the fate of her original character. In February 2018, it was reported that another remake of "The Parent Trap" is in development for Walt Disney Studios' upcoming streaming service Disney+.
question: Who played the part of the twins in parent trap(1998) ?
short_answers: Lindsay Lohan
wikipage: The Parent Trap (1961 film)
context: No context provided
question: Who played the acting double of Lindsay Lohan (the twins) in parent trap(1998) ?
short_answers: Erin Mackey
context: Hayley Mills returned in 1986 to the Disney Channel when she filmed "The Parent Trap II". She expressed no interest in returning for more sequels. In 1989, Mollie Miller soon began production on the next sequel, "Parent Trap III".
question: Who played the part of the twins in parent trap II (1986)?
short_answers: Hayley Mills
wikipage: Parent Trap III
context: Hayley Mills returned in 1986 to the Disney Channel when she filmed "The Parent Trap II". She expressed no interest in returning for more sequels. In 1989, Mollie Miller soon began production on the next sequel, "Parent Trap III".
question: Who played the part of the twins in parent trap II (1989)?
short_answers: Hayley Mills
wikipage: Parent Trap III

Long-form answers:
knowledge: content: Disney subsequently cast Mills as twins Sharon and Susan who reunite their divorced parents in The Parent Trap (1961). In the film, Mills sings "Let's Get Together" as a duet with herself. The film was a hit around the world
wikipage: Hayley Mills
content: Later, Mills reprised her roles as twins Sharon and Susan for a trio of Parent Trap television films: The Parent Trap II, Parent Trap III, and Parent Trap: Hawaiian Honeymoon.
wikipage: Hayley Mills
content:  She played dual roles of twins, separated in infancy, who try to reunite their long-divorced parents
wikipage: Lindsay Lohan
content: Erin Mackey was Lohan's acting double for the scenes where the twins appear together.
wikipage: The Parent Trap (1998 film)
content: Hallie Parker and Annie James
wikipage: The Parent Trap (1998 film)
long_answer: In the 1961 version of The Parent Trap, Disney cast Hayley Mills in a dual role as the twins, Sharon and Susan, who plot to reunite their divorced parents. In this film, Mills sings Let's Get Together as a duet with herself. Later, Mills reprised her dual role as the twins, Sharon and Susan, for a trio of Parent Trap television films. These films were The Parent Trap II, Parent Trap III, and Parent Trap: Hawaiian Honeymoon. The original Parent Trap was then remade in 1998. Lindsay Lohan starred in this film in a dual role as the twins, Hallie and Annie, who were separated in infancy and then try to reunite their long-divorced parents. In this film, Erin Mackey was Lohan's acting double for the scenes where the twins appear together.