Among the worst actresses, how many of them got a rating of more than 3 to the movies they starred?
Worst actresses means a_quality is the least; The least a_quality is 0
SELECT COUNT(T1.userid) FROM u2base AS T1 INNER JOIN movies2actors AS T2 ON T1.movieid = T2.movieid INNER JOIN actors AS T3 ON T2.actorid = T3.actorid INNER JOIN users AS T4 ON T1.userid = T4.userid WHERE T3.a_quality = 0 AND T1.rating > 3 AND T4.u_gender = 'F'