Table: train_schedule_8
Columns: departure
going_to
calling_at
arrival
operator

Question: Who was the train operator when the train departed at 11.02 in 1922?
SQL: SELECT "operator" FROM train_schedule_8 WHERE "departure" = '11.02'

Question: What was the train destination when it has a calling at Boston, Sleaford, Nottingham Victoria?
SQL: SELECT "going_to" FROM train_schedule_8 WHERE "calling_at" = 'Boston, Sleaford, Nottingham Victoria'

Question: What was the departure time of the train going to Boston?
SQL: SELECT "departure" FROM train_schedule_8 WHERE "going_to" = 'Boston'

Question: What was the arrival time of the train that departed at 18.16?
SQL: SELECT "arrival" FROM train_schedule_8 WHERE "departure" = '18.16'

Question: What was the departure time of the train that arrived at 21.26?
SQL: SELECT "departure" FROM train_schedule_8 WHERE "arrival" = '21.26'

Question: What was the 'calling at' station of the train that departed on 18.16?
SQL: SELECT "calling_at" FROM train_schedule_8 WHERE "departure" = '18.16'