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_13 (frequency INTEGER, type VARCHAR)
### Question:
What is the sum of Frequency, when Type is "Christian Pop"?
### Answer:
SELECT SUM(frequency) FROM table_name_13 WHERE type = "christian pop"