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 t2.street_name  =  "buchanan" AND t1.food_type  =  "arabic" AND t1.rating  >  2.5;
give me some good restaurants on buchanan in san francisco for arabic food ?