Output a stream of consciousness before answering the following. Passage: Linda McFly (portrayed by Wendie Jo Sperber) is the middle child and only daughter of George and Lorraine McFly. In 1985 before Marty went to 1955, Linda is having boy trouble and it is unknown if she is in college or has a job. In 1985 after Marty went to 1955, Linda works in a boutique and has gained the attention of many boys.

Question: Based on this passage, who played the daughter in back to the future 2?
To answer the above question, the relevant sentence is: Linda McFly (portrayed by Wendie Jo Sperber) is the middle child and only daughter of George and Lorraine McFly.
The answer: Wendie Jo Sperber.