Table schema:
CREATE TABLE table_16105186_2 (california__san_francisco_ VARCHAR, alaska___juneau__ VARCHAR, southeast__atlanta_ VARCHAR)

Question: What was the emission rating in California for the vehicle that was rated 80 g/mi (50 g/km) in Alaska and 250 g/mi (155 g/km) in the Southeast ?
SQL: SELECT california__san_francisco_ FROM table_16105186_2 WHERE alaska___juneau__ = "80 g/mi (50 g/km)" AND southeast__atlanta_ = "250 g/mi (155 g/km)"