Input question: Emmanuel Leutze's most famous painting is of George Washington crossing which river, an event that took place in 1776?

Output answer: delaware

Input question: "What was the stage name of Brenda Mae Tarpley, an American singer of rockabilly, pop and country music who had 37 US chart hits during the 1960s (a number surpassed only by Elvis Presley, The Beatles, Ray Charles and Connie Francis) and was best known for her 1960 hit ""I'm Sorry""?"

Output answer: brenda lee

Input question: Who was the first English King to have held the title Prince of Wales?

Output answer: edward ii

Input question: What main religion celebrates festivals including Nuakhai, Yatra (or Zatra/Jatra), Pongal, Holi and Shigmo?

Output answer:
hindu