rank athlete nationality time
rank
athlete
nationality
time
number
number min sec
number text text time
4 liliana barbulescu romania 2:00.06
what is the number of russian participants in this set of semifinals ?
WP VBD-AUX DT NN IN JJ NNS IN DT NN IN NNS .
2
select count ( c2 ) from w where c3 = 'russia'