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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: THE HENRY WHO... 
Clue: ...was set adrift with his son & 7 crewmen in 1611

SOLUTION: hudson

PROBLEM: Category: THE BIG APPLE 
Clue: On the NYC subway this train will also take you to Harlem, but then it splits off & heads for Yankee Stadium

SOLUTION: the b train

PROBLEM: Category: NOW YOU'RE TALKING MY LANGUAGE 
Clue: The official language of Niger, it's a remnant of its colonial times

SOLUTION:
french