Question: What country had a winner in 1907?
SQL: SELECT "Country" FROM "2-10553615-1" WHERE "Year" = 1907.0;

Question: What velodrome took place earlier than 1950 with a winner from France in tandem paced over a distance of 951.750 km?
SQL: SELECT "Velodrome" FROM "2-10553615-1" WHERE "Year" < 1950.0 AND "Country" = 'France' AND "Pacing" = 'tandem paced' AND "Distance" = '951.750 km';