Task: Text to Code
Input (English): Step 1: For each row in enzyme table, find the corresponding rows in medicine_enzyme_interaction table.
Step 2: find interaction_type of the results of step 1 whose name equals ALA synthase and Porphyria equals Aripiprazole
Output (English): SELECT T2.interaction_type FROM enzyme AS T1 JOIN medicine_enzyme_interaction AS T2 ON T1.id = T2.enzyme_id WHERE T1.name = "ALA synthase" AND T1.Porphyria = "Aripiprazole"