Shall the Davis Joint Unified School District renew a special tax for an additional four years at the annual rate of $100 per dwelling unit for all multidwelling unit parcels and $200 per parcel for all other parcels, providing enhanced reading and mathematics programs; increased instructional program offerings; reduced class size at selected grades; additional nursing, counseling and support services; improved nutrition through fresh farm produce; supplemental staff training; classroom, library, and technology supplemental materials, equipment and services?