user: Question: what's the 4th day with 3rd day being bumped by Downing
Columns: ['Year', 'Finish position', '1st day', '2nd day', '3rd day', '4th Day']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2003.0, '8th', 'bumped by Lady Margaret', 'rowed-over', "bumped St. Catharine's", 'rowed-over']
SQL:

assistant: SELECT "4th Day" FROM "Table" WHERE "3rd day" = 'bumped by Downing';