rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 russia 7 3 0 10
how many more golds did russia have than germany ?
WRB JJ JJR NNS VBD-AUX NNP VBD-AUX IN NNP .
6
select ( select c3_number from w where c2 = 'russia' ) - ( select c3_number from w where c2 = 'germany' )