The following is a Student Table from a database. Write your SQL queries to answer

the following questions:

$1-$ Retrieve the Name and Age of students with a Grade greater than $89.$

$2-$ Retrieve the count of Male students in the student table.

$3-$ Retrieve the average Grade of all students.

$4-$ Update the Grade of the student with Student$\_$ID $3$ to $90.$

$5-$ Delete the record of the student named "Ahmed".

$6-$ Insert a new student into the table.