What is the average latitude and longitude of stations located in San Jose city?
return stations ;return cities #1 are located in ;return #1 where #2 is  San Jose ;return latitudes of #3 ;return longitudes of #3 ;return average of #4 ;return average of #5 ;return #6 ,  #7
['select', 'project', 'comparative', 'project', 'project', 'aggregate', 'aggregate', 'union']