What are the durations of the longest and the shortest tracks in milliseconds?
return tracks ;return durations of  #1 in milliseconds ;return #1 where #2 is  longest ;return duration of  #3 ;return #1 where #2 is  shortest ;return duration of  #5 ;return #4 ,  #6
['select', 'project', 'superlative', 'project', 'superlative', 'project', 'union']