CREATE TABLE table_11941 ("Year" FLOAT, "Award" TEXT, "Category" TEXT, "Nominee" TEXT, "Result" TEXT)

Which production won the drama desk award as well as the category of outstanding sound design?
SELECT "Result" FROM table_11941 WHERE "Award" = 'drama desk award' AND "Category" = 'outstanding sound design'
SELECT "Result" FROM "table_11941" WHERE "Award" = 'drama desk award' AND "Category" = 'outstanding sound design'