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_27455867_1 (audition_city VARCHAR, audition_venue VARCHAR)
### Question:
In how many different audition cities were the Bridgestone arena auditions held?
### Answer:
SELECT COUNT(audition_city) FROM table_27455867_1 WHERE audition_venue = "Bridgestone Arena"