Database: products_gen_characteristics
Question: How many distinct characteristic names does the product "cumin" have?
SQL: select count(distinct t3.characteristic_name) 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  =  "sesame"