add question 1 4 6 7

submissions/hw1-provenance/q3_output.txt

-SELECT E.CRN,C.Title,C.Department, AVG(Score) FROM Enrollments E, Courses C WHERE E.CRN = C.CRN AND C.Department='ECE' GROUP BY E.CRN,C.Title,C.Department HAVING AVG(Score) > 70 ORDER BY AVG(Score) DESC;
-provenance formula   |   CRN   |   Title   |   Department   |   AVG(Score)   |   provsql-token
-
-
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