How many years has the Mercury Prize award been given?
CREATE TABLE table_name_47 (year VARCHAR, award VARCHAR)
SELECT COUNT(year) FROM table_name_47 WHERE award = "mercury prize"
### Context: CREATE TABLE table_name_47 (year VARCHAR, award VARCHAR) ### Question: How many years has the Mercury Prize award been given? ### Answer: SELECT COUNT(year) FROM table_name_47 WHERE award = "mercury prize"