Question: Who was one of the best-known U.S. artists of the middle 20th century and was the subject of  a 2013 British documentary film directed by Eleanor Yule? 
Sentence (from "Andrew Wyeth"): Andrew Newell Wyeth ( ; July 12, 1917 – January 16, 2009) was a visual artist, primarily a realist painter, working predominantly in a regionalist style.
Relevant evidence: Yes