Find the names of instructors who didn't each any courses in any Spring semester.
SELECT name FROM instructor WHERE id NOT IN (SELECT id FROM teaches WHERE semester  =  'Spring')
SELECT name FROM instructor WHERE id NOT IN (SELECT id FROM teaches WHERE semester  =  'Spring')
[{'name': 'McKinnon'}, {'name': 'Pingr'}, {'name': 'Mird'}, {'name': 'Murata'}, {'name': 'Konstantinides'}, {'name': 'Levine'}, {'name': 'Shuming'}, {'name': 'Queiroz'}, {'name': 'Sullivan'}, {'name': 'Bertolino'}, {'name': 'Hau'}, {'name': 'Soisalon-Soininen'}, {'name': 'Moreira'}, {'name': 'Arias'}, {'name': 'Yazdi'}, {'name': 'Choll'}, {'name': 'Arinb'}, {'name': 'Kenje'}, {'name': 'Dusserre'}, {'name': 'Desyl'}, {'name': 'Sarkar'}, {'name': 'Bancilhon'}, {'name': 'Liley'}, {'name': 'Yin'}, {'name': 'Lent'}, {'name': 'Bourrier'}, {'name': 'Gutierrez'}, {'name': 'Romero'}, {'name': 'Kean'}, {'name': 'Bietzk'}]