题目 1:
What nickname was given to Erland Cullberg due to his unique painting method?
题目 2:
Which famous artist's work served as the basis for Cullberg's painting 'The Scream'?
题目 3:
In which city did Erland Cullberg live and work?
题目 4:
Which institution named Cullberg 'Artist of the Year' in 1986?
题目 5:
What was the title of the documentary filmed about Cullberg in the 1980s?