-- Database schema
| architect : id [ TEXT ] primary_key , name [ TEXT ] , nationality [ TEXT ] , gender [ TEXT ] | bridge : architect_id [ INT ] bridge.architect_id = architect.id , id [ INT ] primary_key , name [ TEXT ] , location [ TEXT ] , length_meters [ INT ] , length_feet [ INT ] | mill : architect_id [ INT ] mill.architect_id = architect.id , id [ INT ] primary_key , location [ TEXT ] , name [ TEXT ] , type [ TEXT ] , built_year [ INT ] , notes [ TEXT ] |
-- -- What are the distinct name of the mills built by the architects who have also built a bridge longer than 80 meters?

SELECT DISTINCT T1.name FROM mill AS T1 JOIN architect AS t2 ON T1.architect_id  =  T2.id JOIN bridge AS T3 ON T3.architect_id  =  T2.id WHERE T3.length_meters  >  80;