year competition location event final-rank final-score qualifying rank qualifying score
year
competition
location
event
final rank
final score
qualifying rank
qualifying score
number
number
number
number
number
number text text text rank number number number
2008 2008 summer olympics beijing team 2 186.525 2 246.8
which competition took place in 2008 but had only one event ?
WDT NN VBD NN IN CD CC VBD-AUX RB CD NN .
American Cup
select c2 from w group by c2 having count ( c4 ) = 1