year competition venue position notes
year
competition
venue
position
notes
number
address
first second first_number
first second first_number second_number
number text address rank(text) unitnum(unitnum)
2002 world junior championships kingston, jamaica 18th (q) 64.51 m (1.75 kg)
what was china 's average position in the asian championships between 2002 and 2009 ?
WP VBD-AUX NNP POS JJ NN IN DT JJ NNS IN CD CC CD .
2nd
select avg ( c4_first_number ) from w where c2 = 'asian championships'