Statement: kings island opened before 1999
Input Table: drop tower : scream zone
| park | tower_height | drop_height | speed | model | opened | height_requirement |
| canada 's wonderland | 230feet | 200feet | 62 mph | giant drop | 1997-01-01 | inches (cm) |
| carowinds | 174feet | 100feet | 56 mph | giant drop | 1996-03-01 | inches (cm) |
| california 's great america | 224feet | 207feet | 62 mph | giant drop | 1996-03-01 | inches (cm) |
| kings dominion | 305feet | 272feet | 72 mph | gyro drop | 2003-03-22 | inches (cm) |
| kings island | 315feet | 264feet | 67 mph | gyro drop | 1999-01-01 | inches (cm) |
SQL Command:
SELECT
CASE
WHEN (SELECT opened FROM table_sql WHERE park = 'kings island') < '1999-01-01'
THEN 'TRUE'
ELSE 'FALSE'
END;