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_1558077_8 (lunar_blastoff_date VARCHAR, mission_name VARCHAR)
### Question:
Name the total number of luna blastoff date for apollo 11
### Answer:
SELECT COUNT(lunar_blastoff_date) FROM table_1558077_8 WHERE mission_name = "Apollo 11"