rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 soviet union 26 17 15 58
what is the difference in the total number of medals won by italy and those won by bulgaria ?
WP VBD-AUX DT NN IN DT JJ NN IN NNS VBN IN NNP CC DT VBN IN NNP .