user: Question: What was the earliest year that had a start of Saint-Gaudens and a stage smaller than 15?
Columns: ['Year', 'Stage', 'Category', 'Start', 'Finish', 'Leader at the summit']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [2013.0, 9.0, 1.0, 'Saint-Girons', 'Bagnères-de-Bigorre', 'Tom Danielson ( USA )']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Start" = 'Saint-Gaudens' AND "Stage" < 15.0;