Show institution types, along with the number of institutions and total enrollment for each type.
SELECT TYPE ,  count(*) ,  sum(enrollment) FROM institution GROUP BY TYPE
SELECT TYPE ,  count(*) ,  sum(enrollment) FROM institution GROUP BY TYPE
[{'Type': 'Private', 'count(*)': 7, 'sum(enrollment)': 7868}, {'Type': 'Public', 'count(*)': 3, 'sum(enrollment)': 5267}, {'Type': 'Tribal', 'count(*)': 1, 'sum(enrollment)': 1000}]