What is the name of the most popular restaurant serving Asian foods in San Francisco?
the most popular refers to max(review); Asian food refers to food_type = 'asian'; San Francisco refers to city = 'san francisco'
SELECT label FROM generalinfo WHERE food_type = 'asian' AND city = 'san francisco' AND review = ( SELECT MAX(review) FROM generalinfo WHERE food_type = 'asian' AND city = 'san francisco' )
database name:db_id restaurant
geographic table geographic Cols: city dtype text, country dtype text, region dtype text, 
generalinfo table generalinfo Cols: id restaurant dtype integer, label dtype text, food type dtype text, city dtype text, review dtype real, 
location table location Cols: id restaurant dtype integer, street number dtype integer, street name dtype text, city dtype text, 
