When 100 g/mi (62 g/km) is the clean electric grid california (san francisco) how many vehicles are there?
CREATE TABLE table_24620684_2 (vehicle VARCHAR, clean_electric_grid_california__san_francisco_ VARCHAR)
SELECT COUNT(vehicle) FROM table_24620684_2 WHERE clean_electric_grid_california__san_francisco_ = "100 g/mi (62 g/km)"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_24620684_2 (vehicle VARCHAR, clean_electric_grid_california__san_francisco_ VARCHAR) Question: When 100 g/mi (62 g/km) is the clean electric grid california (san francisco) how many vehicles are there? [/INST] SELECT COUNT(vehicle) FROM table_24620684_2 WHERE clean_electric_grid_california__san_francisco_ = "100 g/mi (62 g/km)" </s>