Who is the youngest male?
select name from person where gender = 'male' and age = ( select min ( age ) from person where gender = 'male' )
What is his age?
select age from person where gender = 'male' and age = ( select min ( age ) from person where gender = 'male' )
What is his job?
select job from person where gender = 'male' and age = ( select min ( age ) from person where gender = 'male' )