question: For each start station id, what is its name, longitude and average duration of trips started there?
#1 return station ids 
#2 return names of  #1 
#3 return longitudes of  #1 
#4 return trips started of  #1 
#5 return duration of  #4 
#6 return average of  #5 for each #1 
#7 return #2 ,   #3 , #6