Question: What's the singer part number of the buttonholer whose storage case is a green plastic box?
SQL: SELECT "Singer part number" FROM "1-28652521-1" WHERE "Storage case" = 'green plastic box';

Question: What's the description of the buttonholer whose singer part number is 121795 kit 121908 buttonholer?
SQL: SELECT "Description" FROM "1-28652521-1" WHERE "Singer part number" = '121795 kit 121908 buttonholer';

Question: What are all the different descriptions for the buttonholer with cardboard box for storage and a low shank type?
SQL: SELECT "Description" FROM "1-28652521-1" WHERE "Storage case" = 'cardboard box' AND "For shank type" = 'low';

Question: What's the storage case of the buttonholer described as ivory and red metal?
SQL: SELECT "Storage case" FROM "1-28652521-1" WHERE "Description" = 'ivory and red metal';

Question: What's the shank type of the buttonholer with red plastic box as storage case?
SQL: SELECT "For shank type" FROM "1-28652521-1" WHERE "Storage case" = 'red plastic box';