user: Question: What is the earliest year that the Discus throw event occur?
Columns: ['Year', 'Event', 'Record', 'Athlete', 'Nationality']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1936.0, '110 m hurdles', '13.7', 'Forrest Towns', 'United States']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Event" = 'Discus throw';