rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
first second
number
number
number
number
number text(text) number number number number
1 china (chn) 71 39 35 145
which countries have the same number of silver medals in the asian youth games as north korea ?
WDT NNS VBD-AUX DT JJ NN IN NN NNS IN DT JJ NN NNS IN NNP NNP .
Vietnam (VIE)|Malaysia (MAS)
select c2 from w where c2_first != 'north korea' and c4_number = ( select c4_number from w where c2_first = 'north korea' )