Table schema:
CREATE TABLE medicine_enzyme_interaction (enzyme_id VARCHAR, interaction_type VARCHAR); CREATE TABLE enzyme (id VARCHAR, name VARCHAR)

Question: What is the id and name of the enzyme with most number of medicines that can interact as 'activator'?
SQL: 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