rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 cuba 4 3 2 9
how many total medals did brazil received ?
WRB JJ JJ NNS VBD-AUX NNP VBN .
4
select c6_number from w where c2 = 'brazil'