What was the duration of Robert Joy's portrayal?
CREATE TABLE table_11240028_1 (duration VARCHAR, portrayed_by VARCHAR)
SELECT COUNT(duration) FROM table_11240028_1 WHERE portrayed_by = "Robert Joy"
### Context: CREATE TABLE table_11240028_1 (duration VARCHAR, portrayed_by VARCHAR) ### Question: What was the duration of Robert Joy's portrayal? ### Answer: SELECT COUNT(duration) FROM table_11240028_1 WHERE portrayed_by = "Robert Joy"