Find the average age of female (sex is F) students who have secretary votes in the spring election cycle.
SELECT avg(T1.Age) FROM STUDENT AS T1 JOIN VOTING_RECORD AS T2 ON T1.StuID  =  SECRETARY_Vote WHERE T1.Sex  =  "F" AND T2.Election_Cycle  =  "Spring"
SELECT avg(T1.Age) FROM STUDENT AS T1 JOIN VOTING_RECORD AS T2 ON T1.StuID  =  SECRETARY_Vote WHERE T1.Sex  =  "F" AND T2.Election_Cycle  =  "Spring"
[{'avg(T1.Age)': 21.0}]