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_72 (year VARCHAR, award VARCHAR, category VARCHAR)
### Question:
What year was there a Tony award category of Best Revival of a Musical?
### Answer:
SELECT year FROM table_name_72 WHERE award = "tony award" AND category = "best revival of a musical"