CREATE TABLE medicine_enzyme_interaction (interaction_type VARCHAR)

What is the most common interaction type between enzymes and medicine? And how many are there?
SELECT interaction_type, COUNT(*) FROM medicine_enzyme_interaction GROUP BY interaction_type ORDER BY COUNT(*) DESC LIMIT 1
SELECT "interaction_type", COUNT(*) FROM "medicine_enzyme_interaction" GROUP BY "interaction_type" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1