Question:
Which position did Goswin de Stassart hold in Nov, 1812?

Context:
 Goswin de Stassart holds the position of Prefect of Bouches-de-la-Meuse from Jan, 1811 to Jan, 1814. 
 Goswin de Stassart holds the position of Prefect of Vaucluse from Jan, 1810 to Jan, 1810. 
 Goswin de Stassart holds the position of President of the Belgian Senate from Sep, 1831 to Jun, 1838. 
 Goswin de Stassart holds the position of member of the House of Representatives of the Netherlands from Oct, 1821 to Oct, 1830.

Answer:
Prefect of Bouches-de-la-Meuse