Write SQL query to solve given problem: Which projects created by teachers with Doctor Degree where the project have more than 300 students involved. List down the title of the project.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.title FROM essays AS T1 INNER JOIN projects AS T2 ON T1.projectid = T2.projectid WHERE T2.teacher_prefix LIKE 'Dr.' AND T2.students_reached > 300