Question: What are the names and data types of the characteristics of the 'cumin' product?
SQL: SELECT t3.characteristic_name ,  t3.characteristic_data_type FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id  =  t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id  =  t3.characteristic_id WHERE t1.product_name  =  "cumin"