What are the names of the stations that are located in Palo Alto but have never been the ending point of the trips
SELECT name FROM station WHERE city  =  "Palo Alto" EXCEPT SELECT end_station_name FROM trip GROUP BY end_station_name HAVING count(*)  >  100
Palo Alto'da bulunan ancak gezilerin bitiş noktası olmadı istasyonların isimleri nelerdir?