CREATE TABLE table_75715 ("Week #" TEXT, "Theme" TEXT, "Original artist" TEXT, "Order #" TEXT, "Result" TEXT)

What is the week number that has Dolly Parton as the theme?
SELECT "Week #" FROM table_75715 WHERE "Theme" = 'dolly parton'
SELECT "Week #" FROM "table_75715" WHERE "Theme" = 'dolly parton'