what was the only event that she participated in the vault?
olympic trials
col : year | competition | location | event | final-rank | final-score | qualifying rank | qualifying score row 1 : 2008 | 2008 summer olympics | beijing | team | 2 | 186.525 | 2 | 246.800 row 2 : 2008 | 2008 summer olympics | beijing | uneven bars | dnq | n/a | 23 | 14.800 row 3 : 2008 | olympic trials | philadelphia | all around | 4 | 61.850 | 4 | 61.400 row 4 : 2008 | olympic trials | philadelphia | balance beam | 4 | 15.550 | 4 | 15.800 row 5 : 2008 | olympic trials | philadelphia | floor exercise | 2 | 15.500 | 3 | 15.650 row 6 : 2008 | olympic trials | philadelphia | uneven bars | 6 | 15.200 | 5 | 15.300 row 7 : 2008 | olympic trials | philadelphia | vault | 4 | 15.150 | 3 | 15.100 row 8 : 2008 | u.s. championships | boston | all around | 4 | 61.250 | 4 | 60.750 row 9 : 2008 | u.s. championships | boston | balance beam | 5 | 16.000 | 5 | 15.400 row 10 : 2008 | u.s. championships | boston | floor exercise | 10 | 14.750 | 4 | 15.200 row 11 : 2008 | u.s. championships | boston | uneven bars | 6 | 15.550 | 6 | 15.150 row 12 : 2008 | american cup | new york city | all around | 3 | 63.075 | 3 | 63.075
what was the only event that she participated in the vault?
Year Competition Location Event Final-Rank Final-Score Qualifying Rank Qualifying Score
2008 2008 Summer Olympics Beijing Team 2 186.525 2 246.800
2008 2008 Summer Olympics Beijing Uneven Bars DNQ N/A 23 14.800
2008 Olympic Trials Philadelphia All Around 4 61.850 4 61.400
2008 Olympic Trials Philadelphia Balance Beam 4 15.550 4 15.800
2008 Olympic Trials Philadelphia Floor Exercise 2 15.500 3 15.650
2008 Olympic Trials Philadelphia Uneven Bars 6 15.200 5 15.300
2008 Olympic Trials Philadelphia Vault 4 15.150 3 15.100
2008 U.S. Championships Boston All Around 4 61.250 4 60.750
2008 U.S. Championships Boston Balance beam 5 16.000 5 15.400
2008 U.S. Championships Boston Floor Exercise 10 14.750 4 15.200
2008 U.S. Championships Boston Uneven Bars 6 15.550 6 15.150
2008 American Cup New York City All Around 3 63.075 3 63.075
Olympic Trials