Step 1: Select rows where 'gymnast' is 'oleksandr vorobiov ( ukr )'.
| position | 
gymnast | 
a_score | 
b_score | 
total | 
| 1 | 
chen yibing ( chn ) | 
7.3 | 
9.225 | 
16.525 | 
| 2 | 
yordan yovchev ( bul ) | 
7.3 | 
8.975 | 
16.275 | 
| 3 | 
oleksandr vorobiov ( ukr ) | 
7.2 | 
9.05 | 
16.25 | 
| 4 | 
yang wei ( chn ) | 
7.3 | 
8.925 | 
16.225 | 
| 5 | 
matteo morandi ( ita ) | 
7.1 | 
8.925 | 
16.025 | 
| 6 | 
andrea coppolino ( ita ) | 
6.8 | 
9.175 | 
15.975 | 
| 7 | 
danny pinheiro rodrigues ( fra ) | 
7.2 | 
8.6 | 
15.8 | 
| 8 | 
robert stanescu ( rou ) | 
7.0 | 
8.75 | 
15.75 | 
 
Step 2: Select rows where 'total' is 16.25.
| position | 
gymnast | 
a_score | 
b_score | 
total | 
| 3 | 
oleksandr vorobiov ( ukr ) | 
7.2 | 
9.05 | 
16.25 | 
 
 
Step 3: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.
| position | 
gymnast | 
a_score | 
b_score | 
total | 
| 3 | 
oleksandr vorobiov ( ukr ) | 
7.2 | 
9.05 | 
16.25 |