Report the total number of students for each fourth-grade classroom.
SELECT classroom ,  count(*) FROM list WHERE grade  =  "4" GROUP BY classroom
SELECT classroom ,  count(*) FROM list WHERE grade  =  "4" GROUP BY classroom
[{'Classroom': 108, 'count(*)': 2}, {'Classroom': 110, 'count(*)': 6}, {'Classroom': 111, 'count(*)': 4}]