Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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"