human
Schema:
medicine (id, name, Trade_Name, FDA_approved)
enzyme (id, name, Location, Product, Chromosome, OMIM, Porphyria)
medicine_enzyme_interaction (enzyme_id, medicine_id, interaction_type)
Please answer with SQL.
assistant
Sure, I understand.
human
Which enzyme names have the substring 'PBG'?
assistant
SELECT name FROM enzyme WHERE name LIKE '%PBG%';
human
What is the product name of ALA synthase?
assistant
SELECT Product FROM enzyme WHERE name = "ALA synthase" ;