What are the distinct names and nationalities of the architects who have ever built a mill?
SELECT DISTINCT T1.name ,  T1.nationality FROM architect AS T1 JOIN mill AS t2 ON T1.id  =  T2.architect_id
SELECT DISTINCT T1.name ,  T1.nationality FROM architect AS T1 JOIN mill AS t2 ON T1.id  =  T2.architect_id
[{'name': 'Frank Lloyd Wright', 'nationality': 'American'}, {'name': 'Frank Gehry', 'nationality': 'Canadian'}, {'name': 'Zaha Hadid', 'nationality': 'Iraqi, British'}, {'name': 'Mies Van Der Rohe', 'nationality': 'German, American'}]