SELECT country FROM airlines WHERE active  =  'Y' GROUP BY country ORDER BY count(*) DESC LIMIT 1
Which countries has the most number of airlines whose active status is 'Y'?
SELECT country FROM airlines WHERE active = 'Y ' GROUP BY country ORDER BY count ( * ) DESC LIMIT 1
select country from airlines where active = value group by country order by count ( * ) desc limit value
Which countries has the most number of airlines whose active status is 'Y ' ?