user: Question: Which place had a performance of 19.30 seconds by Jamaica?
Columns: ['Event', 'Performance', 'Nation', 'Place', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['100 m', '9.72', 'Jamaica', 'New York City NY , USA', 'May 31']
SQL:

assistant: SELECT "Place" FROM "Table" WHERE "Nation" = 'Jamaica' AND "Performance" = '19.30';