E$2\mathrm{.}1$ Create an entity based on the following scenarios $($a total of $6$ points$).$

E$2\mathrm{.}1$a Create an entity based on the following requirement $(1$ point$)$:

$$ For each doctor, we will keep track of a DoctorID $($unique$),$ DoctorName, and DoctorYearOfMDGraduation $($year of graduating from medical school$).$