In what year was 'Good Morning, Vietnam' released?

In what year was 'Beverly Hills Cop' released? Who directed 'Rain Man' (1988)? In what year was 'Rain Man' released? Who directed 'Good Morning, Vietnam' (1987)? Who directed 'The Natural' (1984)? In what year was 'The Natural' released? Who directed 'Good Will Hunting' (1997)? In what year was 'Good Will Hunting' released?