CREATE TABLE enzyme (id VARCHAR2, name VARCHAR2)
CREATE TABLE medicine_enzyme_interaction (enzyme_id VARCHAR2, interaction_type VARCHAR2)

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
SELECT "T1"."id", "T1"."name" FROM "enzyme" "T1" JOIN "medicine_enzyme_interaction" "T2" ON "T1"."id" = "T2"."enzyme_id" AND "T2"."interaction_type" = 'activitor' GROUP BY "T1"."id" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY