How many neighbourhoods have a business with rating 5 in Madison ?
SELECT COUNT ( DISTINCT t1.neighbourhood_name ) FROM neighbourhood AS t1 JOIN business AS t2 ON t1.business_id  =  t2.business_id WHERE t2.city  =  "Madison" AND t2.rating  =  5;
SELECT COUNT ( DISTINCT t1.neighbourhood_name ) FROM neighbourhood AS t1 JOIN business AS t2 ON t1.business_id  =  t2.business_id WHERE t2.city  =  "Madison" AND t2.rating  =  5;
[{'COUNT ( DISTINCT t1.neighbourhood_name )': 0}]