Database SQL question: Suppose you're managing a database for a school. Answer the following:

Create a table named students with the following columns:

student$\_$id $($integer$,$ primary key$)$

first$\_$name $($text$)$

last$\_$name $($text$)$

age $($integer$)$

grade $($text$)$

city $($text$)$

Add some sample data to the students table:

$\backslash$table$[[$student$\_$id$,$first$\_$name,last$\_$name,age,grade,city$],[1,$John,Doe,$15,10,$New York$],[2,$Alice,Smith,$14,9,$Los Angeles$],[3,$Bob,Johnson,$16,11,$Chicago$],[4,$Emma,Brown,$15,10,$Houston$],[5,$James,Wilson,$13,8,$Philadelphia$]]$

Write the SQL select queries:

$3.$ Select all columns from the students table for all students.

$4.$ Select only the first$\_$name and last$\_$name columns from the students table.

$5.$ Select the first$\_$name and age of students who are older than $14.$

$6.$ Select distinct grades from the students table.

$7.$ Select the first$\_$name of students who live in New York.

$8.$ Select the first$\_$name, last$\_$name, and city of the oldest student.

$9.$ Select the average age of students.

$10.$ Select the count of students in each city.