user: Question: What is the event in a year before 1989?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Event']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1988.0, 'Olympic Games', 'Seoul , South Korea', '5th', '4x100 m relay']
SQL:

assistant: SELECT "Event" FROM "Table" WHERE "Year" < 1989.0;