The database table STUDENT has the fields Student$\_$ID$,$ Student$\_$First$\_$Name, Student$\_$Middle$\_$Name, Student$\_$Last$\_$Name, and Student$\_$Date$\_$of$\_$Birth. The primary key of the table is Student$\_$ID$.$ The university registrar frequently creates reports listing students in alphabetical order by last name. An index created on the $\_\_\_\_\_\_\_\_\_\_$ field would be most likely to speed up the creation of these reports.

Group of answer choices

Student$\_$ID

Student$\_$First$\_$Name

Student$\_$Middle$\_$Name

Student$\_$Last$\_$Name

Student$\_$Date$\_$of$\_$Birth