TASK DEFINITION: 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.
PROBLEM: Category: TECHNOLOGY 
Clue: In 1913 this alloy was invented by Harry Brearley of Sheffield, England, a city known for its cutlery since before 1400

SOLUTION: stainless steel

PROBLEM: Category: U.S. PRESIDENTS 
Clue: Washington was the one who added these 4 words to the presidential oath; they're not in the Constitution

SOLUTION: \"so help me god\"

PROBLEM: Category: CLASSIC CARTOON CHARACTERS 
Clue: The 1935 cartoon "I Haven't Got a Hat" was the first of many cartoons that paired him with a cat named Beans

SOLUTION:
porky pig