user: Question: What was the earliest year for the 400 m hurdles in santiago, chile?
Columns: ['Year', 'Tournament', 'Venue', 'Result', 'Event']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1998.0, 'World Junior Championships', 'Annecy , France', '5th', '200 m']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Venue" = 'santiago, chile' AND "Event" = '400 m hurdles';