Write SQL query to solve given problem: How many people wrote comments for the question "Any additional notes or comments."?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T1.UserID) FROM Answer AS T1 INNER JOIN Question AS T2 ON T1.QuestionID = T2.questionid WHERE T2.questiontext LIKE 'Any additional notes or comments' AND T1.AnswerText IS NOT NULL