YQL null response

gistfile1.txt

>>> import yql
>>> y = yql.Public()
>>> appid = 't4RpMGDV34GSa2qGuiJ1aC_WG8xmsw6lM5psHclL0Yawu2.wZm1ejtuGSLndPWdx5oyDrDQ-'
>>> query = 'select * from search.spelling where query="%s" and appid="%s"' % ('janet nopalitano', appid)
>>> r = y.execute(query)
>>> r.raw
{u'count': 0, u'lang': u'en-US', u'results': None, u'created': u'2011-09-01T20:38:10Z'}