My daughter was asked this when she was about 6 and she got it right, but then, her pediatrician was a woman.
Happily, the younger generation knows that woman can do many many things.
That's no lady she's my doctor!
Patra is right. We're all programmed to think all surgeons are males. In fact, the surgeon who did my liver transplant was...... a lady..
Magnum
Because it is his mother who is the surgeon?