Find the enzyme name of medicine id 3?
SELECT DISTINCT T1.name FROM enzyme AS T1 JOIN medicine_enzyme_interaction AS T2 ON T2.enzyme_id   =   T1.id WHERE T2.medicine_id   =  3
enzyme name for a specific medicine id refers to joining tables between enzyme and medicine_enzyme_interaction based on enzyme_id and filtering the result where medicine_id = specific value; DISTINCT is used to avoid duplicate names.