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_name_46 (Running VARCHAR, channel VARCHAR, date VARCHAR)
### Question:
What is the running time of the transmission on bbc four channels on 23 March 2008?
### Answer:
SELECT Running AS time FROM table_name_46 WHERE channel = "bbc four" AND date = "23 march 2008"