user: Question: who was the Stage winner when the stage was smaller than 16, earlier than 1986, and a distance (km) was 19.6?
Columns: ['Year', 'Stage', 'Start of stage', 'Distance (km)', 'Category of climb', 'Stage winner', 'Yellow jersey']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1989.0, 10.0, 'Cauterets', '136', '1', 'Robert Millar', 'Laurent Fignon']
SQL:

assistant: SELECT "Stage winner" FROM "Table" WHERE "Stage" < 16.0 AND "Year" < 1986.0 AND "Distance (km)" = '19.6';