Question: Alfonso Ortiz Tirado was the personal physician of a Mexican painter born in what year?
Sentence (from "Frida Kahlo"): Frida Kahlo de Rivera (] ; born Magdalena Carmen Frida Kahlo y Calderón; July 6, 1907 – July 13, 1954) was a Mexican painter, who mostly painted self-portraits.
Relevant evidence: Yes