rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 france 1 3 0 4
how many nations received at least 3 medals total ?
WRB JJ NNS VBN IN JJS CD NNS JJ .
3
select count ( c2 ) from w where c6_number >= 3