1) Spanish girl name 
[short story] `Olalla` is a short story by the Scottish novelist, poet, essayist and travel writer Robert Louis Stevenson. It was first published in Christmas 1885 issue of The Court and Society Review, then re-published in 1887 as part of the collection The Merry Men and Other Tales and Fables. It is set in Spain during the Peninsular War....
Olalla is a cultivated variety of potato.