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_25 (year INTEGER, result VARCHAR, venue VARCHAR)
### Question:
What year is the result 6th in munich, west germany?
### Answer:
SELECT SUM(year) FROM table_name_25 WHERE result = "6th" AND venue = "munich, west germany"