year award category recipient result
year
award
category
recipient
result
number
number text text text text
2012 cyworld digital music awards rookie & song of the month (february) "heaven" won
what is the number of times the word `` best '' appears in the category column ?
WP VBD-AUX DT NN IN NNS DT NN `` JJS '' VBZ IN DT NN NN .