Step 1: Select rows where 'aircraft' is 'bell 212 twin huey'.
| aircraft |
origin |
type |
versions |
in_service |
| cessna a - 37 dragonfly |
united states |
attack / fighter |
a - 37b |
12 (16 delivered) |
| fma ia 58 pucarã¡ |
argentina |
attack |
a - 58 |
5 (6 delivered) |
| lockheed c - 130 hercules |
united states |
transport / utility |
c - 130b |
2 |
| embraer emb 110 bandeirante |
brazil |
transport / utility |
c - 95 |
3 |
| beechcraft twin bonanza |
united states |
transport / utility |
d50 |
1 |
| casa c - 212 aviocar |
spain |
transport |
c - 212 - 200 |
2 |
| embraer emb 120 brasilia |
brazil |
transport |
emb 120 |
1 |
| cessna 206 stationair |
united states |
utility / liaison |
u206h |
10 |
| beechcraft b58 baron |
united states |
trainer / liaison |
b - 58 |
2 |
| british aerospace 125 |
united kingdom |
vip transport |
700a 600a |
2 |
| aermacchi sf260 |
italy |
trainer |
t - 260 eu |
12 |
| pilatus pc - 7 turbo trainer |
switzerland |
trainer |
- 92 |
5 (6 delivered) |
| cessna t - 41 mescalero |
united states |
trainer |
t - 41d |
7 |
| aerospatiale as 365 dauphin |
france |
liaison / transport |
as 365 |
1 |
| bell 212 twin huey |
united states |
transport / utility |
bell 212 |
4 |
| bell uh - 1 iroquois |
united states |
transport / utility |
uh - 1h |
13 |
Step 2: Select rows where 'type' is 'trainer'.
| aircraft |
origin |
type |
versions |
in_service |
| bell 212 twin huey |
united states |
transport / utility |
bell 212 |
4 |
Step 3: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.
| aircraft |
origin |
type |
versions |
in_service |
| verification_result |
| FALSE |