CREATE TABLE table_48512 ("Year" FLOAT, "Award" TEXT, "Nominated Work" TEXT, "Category" TEXT, "Result" TEXT)

Before the year 2012, what award was given to the artist in the category of revelaci n pop del a o?
SELECT "Award" FROM table_48512 WHERE "Year" < '2012' AND "Category" = 'revelación pop del año'
SELECT "Award" FROM "table_48512" WHERE "Category" = 'revelación pop del año' AND "Year" < '2012'