user: Question: How fast was the speed during the record set at Coniston Water that was piloted by Malcolm Campbell?
Columns: ['Speed', 'Craft', 'Pilot(s)', 'Location', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['mph (km/h)', 'HD-4', 'Casey Baldwin', "Bras d'Or Lake", '19 September 1919']
SQL:

assistant: SELECT "Speed" FROM "Table" WHERE "Location" = 'Coniston Water' AND "Pilot(s)" = 'Malcolm Campbell';