how many italian restaurants are in the yolo county ?
SELECT COUNT ( * ) FROM restaurant AS t1 JOIN geographic AS t2 ON t1.city_name  =  t2.city_name WHERE t2.county  =  "yolo county" AND t1.food_type  =  "italian";
SELECT COUNT ( * ) FROM restaurant AS t1 JOIN geographic AS t2 ON t1.city_name  =  t2.city_name WHERE t2.county  =  "yolo county" AND t1.food_type  =  "italian";
[{'COUNT ( * )': 0}]