Question: What is the name of the award given for the category Mercury Prize?
SQL: SELECT "Award" FROM "2-15841543-1" WHERE "Category" = 'Mercury Prize';

Question: How many years has the mercury prize award been given?
SQL: SELECT COUNT("Year") FROM "2-15841543-1" WHERE "Award" = 'mercury prize';

Question: For how many years has the mercury prize been awarded?
SQL: SELECT COUNT("Year") FROM "2-15841543-1" WHERE "Award" = 'mercury prize';

Question: In what year, prior to 2009, was the Mercury Prize awarded?
SQL: SELECT "Result" FROM "2-15841543-1" WHERE "Year" < 2009.0 AND "Award" = 'Mercury Prize';