Question: Both Señorita México 1986 Rebecca de Alba originate from what country?
Sentence (from "Señorita México 1986"): Martha Cristiana Merino won Miss Dorian Grey Award and so she also won the right to represent the country in Miss International 1986 The event was hosted by Rebecca de Alba and Raúl Velasco, Señorita México 1986 was broadcast live on Televisa.
Relevant evidence: No