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_24399615_10 (bbc_three_weekly_ranking VARCHAR, cable_rank VARCHAR)
### Question:
List the number of bbc rankings with cable rankings of 6.
### Answer:
SELECT bbc_three_weekly_ranking FROM table_24399615_10 WHERE cable_rank = "6"