Show different hometown of teachers and the number of teachers from each hometown.
SELECT Hometown ,  COUNT(*) FROM teacher GROUP BY Hometown
SELECT Hometown ,  COUNT(*) FROM teacher GROUP BY Hometown
[{'Hometown': 'Blackrod Urban District', 'COUNT(*)': 1}, {'Hometown': 'Bolton County Borough', 'COUNT(*)': 1}, {'Hometown': 'Farnworth Municipal Borough', 'COUNT(*)': 1}, {'Hometown': 'Horwich Urban District', 'COUNT(*)': 1}, {'Hometown': 'Kearsley Urban District', 'COUNT(*)': 1}, {'Hometown': 'Little Lever Urban District', 'COUNT(*)': 1}, {'Hometown': 'Turton Urban District', 'COUNT(*)': 1}]