[['year', 'competition', 'venue', 'position', 'notes'], ['1983', 'pan american games', 'caracas , venezuela', '1st', 'high jump'], ['1983', 'world championships', 'helsinki , finland', '4th', 'high jump'], ['1987', 'pan american games', 'indianapolis , united states', '1st', 'high jump'], ['1987', 'world championships', 'rome , italy', '11th', 'high jump'], ['1988', 'olympic games', 'seoul , south korea', '18th', 'high jump']]
Coleen 's worst performance was at the 1988 olympics in Seoul where she took 18th place
[ENT] 's worst performance was at the [ENT] olympics in [ENT] where she took [ENT] place