Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_18333678_2 (calling_at VARCHAR, arrival VARCHAR)
### Question:
how many callings of trains arriving at 09.06
### Answer:
SELECT COUNT(calling_at) FROM table_18333678_2 WHERE arrival = "09.06"