CREATE TABLE table_name_17 (zone_2008 VARCHAR, services VARCHAR, station VARCHAR)

Which Zone 2008 has Services of greater anglia, and a Station of cheshunt?
SELECT zone_2008 FROM table_name_17 WHERE services = "greater anglia" AND station = "cheshunt"
SELECT "zone_2008" FROM "table_name_17" WHERE "cheshunt" = "station" AND "greater anglia" = "services"