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_27615896_18 (sd VARCHAR, status VARCHAR)
### Question:
What is the total number of sd listings where the status is quarterfinals lost to Novak Djokovic [1]?
### Answer:
SELECT COUNT(sd) FROM table_27615896_18 WHERE status = "Quarterfinals lost to Novak Djokovic [1]"