assuming that I already have tables and give me the SQL code slotion for these problems

3- For each department find first name and maximum salary for all teachers when the maximum s salary greater than 5000 4- Find the course name of courses in the art department that have credits 3 5- For each course, find course name and number of student that have number of student more than 5 . 6- Write a query to display the last name, department number, and department name for all teachers work in deprment name NEWT WORK 7- Create query to displays the department number, last name of teacher, and email for every teacher in the IS department