You want to see data on charters flown by either Robert Williams $($employee number $105)$ or Elizabeth Travis $($employee number $109)$ as pilot or copilot, but not charters flown by both of them. Create the table that would result from applying the SELECT and PROJECT relational operators to the CHARTER table to return only the CHAR$\_$TRIP, CHAR$\_$PILOT, and CHAR$\_$COPILOT attributes for charters flown by either employee $105$ or employee $109.$