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_272865_20 (years_active VARCHAR, asian_cup_played_as_a_captain VARCHAR)
### Question:
What is the total number of years active listings where Asian Cup played as a captain is Japan 1992?
### Answer:
SELECT COUNT(years_active) FROM table_272865_20 WHERE asian_cup_played_as_a_captain = "Japan 1992"