instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
question:
Category: TECHNOLOGY 
Clue: In 1913 this alloy was invented by Harry Brearley of Sheffield, England, a city known for its cutlery since before 1400
answer:
stainless steel


question:
Category: SKYSCRAPERS 
Clue: After a construction boom fueled by oil & gas money, this capital city now has Europe's tallest building
answer:
moscow


question:
Category: THE THEATRE 
Clue: The inspiration for this 1913 play was taken in part from the life of an Edwardian philologist named Henry Sweet
answer:

pygmalion