How long was the instrumental version in 1986?
CREATE TABLE table_name_74 (length VARCHAR, year VARCHAR, version VARCHAR)
SELECT length FROM table_name_74 WHERE year = 1986 AND version = "instrumental"
### Context: CREATE TABLE table_name_74 (length VARCHAR, year VARCHAR, version VARCHAR) ### Question: How long was the instrumental version in 1986? ### Answer: SELECT length FROM table_name_74 WHERE year = 1986 AND version = "instrumental"