Task: Question Generation
Input (English): #1 return San Francisco 
#2 return stations of #1 
#3 return bike availabilities of #2 
#4 return the  average of #3 for each #2 
#5 return #2 where #4 is higher than 10 
#6 return ids of #5
Output (English): What are the ids of stations that are located in San Francisco and have average bike availability above 10.