what was the elevation in september 2009?
CREATE TABLE table_27435931_1 (elevation_m VARCHAR, year VARCHAR)
SELECT elevation_m FROM table_27435931_1 WHERE year = "September 2009"
### Context: CREATE TABLE table_27435931_1 (elevation_m VARCHAR, year VARCHAR) ### Question: what was the elevation in september 2009? ### Answer: SELECT elevation_m FROM table_27435931_1 WHERE year = "September 2009"