CREATE TABLE STUDENT (Age INTEGER, StuID VARCHAR, city_code VARCHAR); CREATE TABLE VOTING_RECORD (Election_Cycle VARCHAR)
Find the average age of students who live in the city with code "NYC" and 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.city_code = "NYC" AND T2.Election_Cycle = "Spring"