SELECT vineyard_surface__2010_ FROM table_13981938_1 WHERE grand_cru = "Bienvenues-Bâtard-Montrachet"
What's the Vineyard Surface (2010) dengan Grand Cru menjadi bienvenues-bâtard-montrachet
CREATE TABLE table_13981938_1 (vineyard_surface__2010_ VARCHAR, grand_cru VARCHAR)