Spanish woman's title: Abbr.

SRA

["Think about how you might address a letter to a married woman in Spain, but in a shortened form."]

The clue "Spanish woman's title: Abbr." leads to the answer "SRA" through a straightforward understanding of Spanish honorifics and their abbreviations. In Spanish, the title "Señora" is used to address or refer to a married woman, similar to "Mrs." in English. The abbreviation for "Señora" is "Sra." Therefore, the clue is asking for the abbreviated form of the title given to a Spanish woman, which is "SRA."