What're the names of the enzymes in the medicine "Amisulpride"?
SELECT T1.name FROM enzyme AS T1 JOIN medicine_enzyme_interaction AS T2 ON T1.id   =   T2.enzyme_id JOIN medicine AS T3 ON T2.medicine_id   =   T3.id WHERE T3.name   =   'Amisulpride'
names of the enzymes refers to T1.name; in the medicine 'Amisulpride' refers to WHERE T3.name = 'Amisulpride';