CREATE TABLE table_63580 ("Location" TEXT, "Name of mill" TEXT, "Type" TEXT, "Built" TEXT, "Notes" TEXT)

What is the Type of Mill at Molen de Stud?
SELECT "Type" FROM table_63580 WHERE "Name of mill" = 'molen de stud'
SELECT "Type" FROM "table_63580" WHERE "Name of mill" = 'molen de stud'