La Valentina is a 1966 Mexican romantic comedy film directed by Rogelio A. González, produced by Gregorio Walerstein, and starring María Félix and Eulalio González in the leading roles. The supporting cast features José Elías Moreno, José Venegas, and Raúl Meraz. The film is a dramatization of the Mexican Revolution corrido of the same name.

Can we draw the following conclusion?
Maria Felix won an Oscar for her leading role in La Valentina.
It's impossible to say