user: Question: On 11 July 2003, which athlete performed?
Columns: ['Event', 'Record', 'Athlete', 'Nationality', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['100 m', '10.75 (+0.6 m/s)', 'Marion Jones', 'United States', '14 July 1998']
SQL:

assistant: SELECT "Athlete" FROM "Table" WHERE "Date" = '11 July 2003';