For each start station id, what is its name, longitude and average duration of trips started there?
return station ids ;return names of  #1 ;return longitudes of  #1 ;return trips started of  #1 ;return duration of  #4 ;return average of  #5 for each #1 ;return #2 ,   #3 , #6
['select', 'project', 'project', 'project', 'project', 'group', 'union']