Find all the payment dates for the payments with an amount larger than 10 and the payments handled by a staff person with the first name Elsa.
return payments  ;return amounts of #1 ;return staff person who  handled #1 ;return first name of #3 ;return #1 where #4 is  Elsa ;return #1 where #2 is  larger than 10 ;return #5 , #6 ;return payment dates of #7
['select', 'project', 'project', 'project', 'comparative', 'comparative', 'union', 'project']