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_name_21 (actor VARCHAR, duration VARCHAR, soap_opera VARCHAR)
### Question:
Which actor played on Home and Away for 20 years?
### Answer:
SELECT actor FROM table_name_21 WHERE duration = "20 years" AND soap_opera = "home and away"