In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Who ordered the translation of the old testament into greek?
Ptolemy II Philadelphus

Who sang the original version of let it rain?
Eric Clapton

By the early 20th century which foreign country was dominant in the caribbean?

United States of America