1.(2 pts) Consider the enroll information of students and answer queries in SQL. Student(sid: integer, sname: string, gender:string, age: real, state:string) Course(cid: string, cname:string, credit: integer) Enroll(sid:integer, cid: string, semester:string, score:real) Faculty(fid:integer, fname:string, gender:string) Teach(cid:string, fid:integer, semester:string) 1) (1 pts) For each course offered in Fall 2015, calculate the average score of students from each gender. 2) (1 pts) Find student names and ages of those students who have not taken the course with cid = 4013