Database: restaurants
Question: what is the best french restaurant in san francisco ?
SQL: select t2.house_number  ,  t1.name from restaurant as t1 join location as t2 on t1.id  =  t2.restaurant_id where t2.city_name  =  "san francisco" and t1.food_type  =  "french" and t1.rating  =  ( select max ( t1.rating ) from restaurant as t1 join location as t2 on t1.id  =  t2.restaurant_id where t2.city_name  =  "san francisco" and t1.food_type  =  "french" );