CREATE TABLE train_station (station_id VARCHAR2, train_id VARCHAR2)
CREATE TABLE station (station_id VARCHAR2, location VARCHAR2)
CREATE TABLE train (name VARCHAR2, time VARCHAR2, train_id VARCHAR2)

Show all train names and times in stations in London in descending order by train time.
SELECT T3.name, T3.time FROM train_station AS T1 JOIN station AS T2 ON T1.station_id = T2.station_id JOIN train AS T3 ON T3.train_id = T1.train_id WHERE T2.location = 'London' ORDER BY T3.time DESC
SELECT "T3"."name", "T3"."time" FROM "train_station" "T1" JOIN "station" "T2" ON "T1"."station_id" = "T2"."station_id" AND "T2"."location" = 'London' JOIN "train" "T3" ON "T1"."train_id" = "T3"."train_id" ORDER BY "T3"."time" DESC