For Gem County, what was the Obama vote percentage?
CREATE TABLE table_20684390_1 (obama_percentage VARCHAR, county VARCHAR)
SELECT obama_percentage FROM table_20684390_1 WHERE county = "Gem"
### Context: CREATE TABLE table_20684390_1 (obama_percentage VARCHAR, county VARCHAR) ### Question: For Gem County, what was the Obama vote percentage? ### Answer: SELECT obama_percentage FROM table_20684390_1 WHERE county = "Gem"