CREATE TABLE table_58880 ("Year" FLOAT, "Award" TEXT, "Category" TEXT, "Show" TEXT, "Character" TEXT, "Results" TEXT)

Which Character has a Category of favourite naya sadasya?
SELECT "Character" FROM table_58880 WHERE "Category" = 'favourite naya sadasya'
SELECT "Character" FROM "table_58880" WHERE "Category" = 'favourite naya sadasya'