What are the interaction type of ALA synthase?
select t2.interaction_type from enzyme as t1 join medicine_enzyme_interaction as t2 on t1.id = t2.enzyme_id where name = "ALA synthase"
Find the product of enzyme id 1?
select product from enzyme where id = 1
What is the id and name of the enzyme with most number of medicines that can interact as 'activator'?
select t1.id, t1.name from enzyme as t1 join medicine_enzyme_interaction as t2 on t1.id = t2.enzyme_id where t2.interaction_type = 'activitor' group by t1.id order by count ( * ) desc limit 1