Give me the claim date, settlement date for all the claims whose claimed amount is larger than the average.
return claims ;return claim amounts of  #1 ;return average of  #2 ;return #1 where  #2 is  higher than #3 ;return claim dates of  #4 ;return settlement dates of  #4 ;return #5 ,   #6
['select', 'project', 'aggregate', 'comparative', 'project', 'project', 'union']