อายุของนักแสดงจากสหรัฐอเมริกา

SELECT ___, -- Report for male and female actors from the USA 
       ___, -- The year of birth of the oldest actor
       ___ -- The year of birth of the youngest actor
FROM
   ___ -- Use a subsequen SELECT to get all information about actors from the USA
   ___
   ___ -- Give the table the name a
GROUP BY ___;