query: SELECT DISTINCT T1.type FROM mill AS T1 JOIN architect AS t2 ON T1.architect_id  =  T2.id WHERE T2.nationality  =  'American' OR T2.nationality  =  'Canadian'
question: What-all the distinct types of mills where are built them by American or Canadian architects?
query_toks: SELECT DISTINCT T1.type FROM mill AS T1 JOIN architect AS t2 ON T1.architect_id = T2.id WHERE T2.nationality = 'American ' OR T2.nationality = 'Canadian '
query_toks_no_value: select distinct t1 . type from mill as t1 join architect as t2 on t1 . architect_id = t2 . id where t2 . nationality = value or t2 . nationality = value
question_toks: What-all the distinct types of mills where are built them by American or Canadian architects?