For this chain-of-thought reasoning and answer, what was the question?
To answer this question, we should know that: It is based on a true story about a popular go-go dancer / stripper in the 1970s who suffers from dissociative identity disorder.
A: a popular go - go dancer / stripper in the 1970s who suffers from dissociative identity disorder
Q: Frankie & Alice is a 2010 Canadian drama film directed by Geoffrey Sax starring Halle Berry. Filming began in Vancouver, British Columbia, in November 2008 and ended in January 2009. To qualify for awards season, the film opened in a limited release on December 10, 2010. It is based on a true story about a popular go-go dancer / stripper in the 1970s who suffers from dissociative identity disorder.

Based on this passage, who was the movie frankie and alice based on?