Question: The play Mamma Mia was produced by which British playwright?
Sentence (from "Rachel Rockwell"): In July 2014, Goodman Theatre, in association with Liza Lerner and Kevin McCollum, produced the first major revival of Brigadoon in two decades—directed and choreographed by Rockwell, who, with Brian Hill (author), updated the book, with permission from the Lerner and Loewe estates.
Relevant evidence: No