which neighbourhood has the most number of businesses in Madison
SELECT t1.neighbourhood_name FROM neighbourhood AS t1 JOIN business AS t2 ON t1.business_id  =  t2.business_id WHERE t2.city  =  "Madison" GROUP BY t1.neighbourhood_name ORDER BY COUNT ( DISTINCT t2.name ) DESC LIMIT 1;
SELECT t1.neighbourhood_name FROM neighbourhood AS t1 JOIN business AS t2 ON t1.business_id  =  t2.business_id WHERE t2.city  =  "Madison" GROUP BY t1.neighbourhood_name ORDER BY COUNT ( DISTINCT t2.name ) DESC LIMIT 1;
[{'Nenhum': 'Nenhum resultado encontrado'}]