CREATE TABLE "table1_18333678_2" (
  "departure" text,
  "going_to" text,
  "calling_at" text,
  "arrival" text,
  "operator" text
);

Question: how many callings of trains arriving at 09.06
SQL: SELECT COUNT("calling_at") FROM "table1_18333678_2" WHERE "arrival"='09.06';

Question: what is the operator of trains arriving at 13.39 
SQL: SELECT "operator" FROM "table1_18333678_2" WHERE "arrival"='13.39';

Question: when does the train departuring at 11.35 arrive
SQL: SELECT "arrival" FROM "table1_18333678_2" WHERE "departure"='11.35';

Question: when does the train arriving at bourne at 11.45 departure 
SQL: SELECT "departure" FROM "table1_18333678_2" WHERE "going_to"='Bourne' AND "arrival"='11.45';

Question: when does the train arriving at stamford east at 11.45 departure 
SQL: SELECT "departure" FROM "table1_18333678_2" WHERE "arrival"='11.45' AND "going_to"='Stamford East';