Of all players with an overall rating greater than 80, how many are right-footed and left-footed?
return players ;return overall ratings of  #1 ;return #1 where #2 is  higher than 80 ;return #3 that  are  right-footed ;return number of  #4 ;return #3 that  are  left-footed ;return number of  #6 ;return #5 ,  #7
['select', 'project', 'comparative', 'filter', 'aggregate', 'filter', 'aggregate', 'union']