Find the name of the winner who has the highest rank points and participated in the Australian Open tourney.
return winners ;return tourneys #1 participated in ;return #1 where #2 is  Australian Open ;return rank points of  #3 ;return #3 where #4 is  highest ;return name of  #5
['select', 'project', 'comparative', 'project', 'superlative', 'project']