user: Question: What is the earliest year that the tournament was played in Cape Town, South Africa?
Columns: ['Year', 'Country', 'Team', 'Individual', 'Location', 'Runners-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1999.0, 'United States', "Mark O'Meara & Tiger Woods", 'Tiger Woods', 'Kuala Lumpur, Malaysia', 'Santiago Luna & Miguel Angel Martin']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Location" = 'Cape Town, South Africa';