Show the student IDs and numbers of friends corresponding to each.
SELECT student_id ,  count(*) FROM Friend GROUP BY student_id
SELECT student_id ,  count(*) FROM Friend GROUP BY student_id
[{'student_id': 1101, 'count(*)': 1}, {'student_id': 1247, 'count(*)': 2}, {'student_id': 1304, 'count(*)': 1}, {'student_id': 1316, 'count(*)': 1}, {'student_id': 1381, 'count(*)': 1}, {'student_id': 1468, 'count(*)': 2}, {'student_id': 1501, 'count(*)': 1}, {'student_id': 1510, 'count(*)': 2}, {'student_id': 1661, 'count(*)': 1}, {'student_id': 1689, 'count(*)': 2}, {'student_id': 1709, 'count(*)': 1}, {'student_id': 1782, 'count(*)': 3}, {'student_id': 1911, 'count(*)': 1}, {'student_id': 1934, 'count(*)': 1}]