Harvard cs153 compiler HW6

HW6-2_images

# Additional Help for SQL++ and Mondial The [AsterixDB documentation on SQL++](https://asterixdb.apache.org/docs/0.9.4/sqlpp/manual.html) is a very valuable resource. This guide is only intended to give more tangible examples and explanation as to how SQL++ works and point out probably useful features of SQL++ for the homework. Completing this HW is not at all dependent on the material covered here. You are allowed to use the entirety of SQL++ to complete the assignment. Understanding Your Data (`mondial.adm`)