How many restaurants in Broadway, Oakland received a review of no more than 3?
Broadway refers to street_name = 'broadway';  Oakland refers to city = 'oakland'; a review of no more than 3 refers to review < 3
SELECT COUNT(T1.id_restaurant) FROM location AS T1 INNER JOIN generalinfo AS T2 ON T1.city = T2.city WHERE T1.street_name = 'broadway' AND T2.review < 3 AND T1.city = 'oakland'
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, 
