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_50 (fog__days_year_ INTEGER, rain__mm_year_ VARCHAR)
### Question:
What is the amount of fog where the rain is 1 109?
### Answer:
SELECT SUM(fog__days_year_) FROM table_name_50 WHERE rain__mm_year_ = "1 109"