Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

[Q]: dorothea sally eilers (or just sally eilers; december 11, 1908 – january 5, 1978) was an american actress.
[A]: sally eilers


[Q]: allan holdsworth (6 august 1946 – 15 april 2017) was a british guitarist and composer.
[A]: allan holdsworth


[Q]: mairengo is a former municipality of the district leventina in the canton of ticino in switzerland.
[A]:
mairengo