In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.

[Q]: Sentence: Originally the three women , Amy Saunders , Lou Bennett and Sally Dastey combined their vocal talents as backing singers for Aboriginal band Djaambi , led by Saunder 's brother Richard Frankland in 1990 . 
 Question: who were  backing something?
[A]: singers for Aboriginal band Djaambi , led by Saunder 's brother Richard Frankland in 1990 .


[Q]: Sentence: Although the area was known for its healthy waters at least since the late Middle Ages , the spa was officially founded in 1769 . 
 Question: when was something known  for something?
[A]: since the late Middle Ages


[Q]: Sentence: Fuel efficiency rating according to the U.S. EPA testing methodology is : City , Highway , Combined . 
 Question: what is something according  to?
[A]:
the U.S. EPA testing methodology is : City , Highway , Combined .