OK, so I kind of forgot she's still be 9yrs old - I would probably have picked her beacuse of paternal instincts on that point :) But I chose the engineer becausethey both had strong leadership, but engineering feels more important for rebuilding than astro-physics.
She had a 390 IQ and addressed the world to deliver the bad news (in multiple languages no less). So not only Astrophysics smart, but the pillar of hope.