SELECT name FROM Person WHERE gender  =  'male' AND age  =  (SELECT min(age) FROM person WHERE gender  =  'male' )
Who is the youngest male?
SELECT name FROM Person WHERE gender = 'male ' AND age = ( SELECT min ( age ) FROM person WHERE gender = 'male ' )
select name from person where gender = value and age = ( select min ( age ) from person where gender = value )
Who is the youngest male ?