year competition venue position event notes
year
competition
venue
position
event
notes
number
address
number
number
number hour min sec
number text address rank unitnum time
2002 central american and caribbean junior championships (u-17) bridgetown, barbados 1st 5 km 1:20:45
how many times did they participate in the world championships ?
WRB JJ NNS VBD-AUX PRP VBP IN DT NN NNS .
4
select count ( * ) from w where c2 = 'world championships'