human
Schema:
architect (id, name, nationality, gender)
bridge (architect_id, id, name, location, length_meters, length_feet)
mill (architect_id, id, location, name, type, built_year, notes)
Please answer with SQL.
assistant
Sure, I understand.
human
Which architects have built bridges?
assistant
SELECT DISTINCT T1.name FROM architect AS T1 JOIN bridge AS T2 ON T1.id = T2.architect_id ;