Which distinct state makes beer that has the least amount of bitterness?
SELECT DISTINCT T2.state, T1.ibu FROM beers AS T1 INNER JOIN breweries AS T2 ON T1.brewery_id = T2.id WHERE T1.ibu IS NOT NULL AND T1.ibu = ( SELECT MIN(ibu) FROM beers )
database name:db_id craftbeer
Breweries table Breweries Cols: id dtype integer, name dtype text, city dtype text, state dtype text, 
Beers table Beers Cols: id dtype integer, brewery id dtype integer, alcohol by volume dtype real, International Bitterness Units dtype real, name dtype text, style dtype text, ounces dtype real, 
