SELECT years_active FROM table_272865_20 WHERE asian_cup_played_as_a_captain = "Iran 1976"
CREATE TABLE table_272865_20 (years_active VARCHAR, asian_cup_played_as_a_captain VARCHAR)
อิหร่านเล่นฟุตบอลเอเชียนคัพปี 1976 กี่ปี?
What were the years active where Asian Cup played as a captain is Iran 1976?