How many years did Crete remain under Ottoman suzerainty before it was given back to Greece?
return Crete was  under Ottoman suzerainty ;return Crete was  given back to Greece ;return years of #1 ;return year of #2 ;return the  lowest of #3 ;return the  difference of #4 and  #5
['select', 'select', 'project', 'project', 'aggregate', 'arithmetic']