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: "E" BAY 
Clue: Thinking green, biologist Ernst Haeckel coined this term for the way animals interact with the environment
answer:
ecology


question:
Category: RODGERS & HAMMERSTEIN 
Clue: Mary Martin received a Tony Award for playing Maria in this 1959 Rodgers & Hammerstein musical
answer:
the sound of music


question:
Category: ENTERTAINMENT NEWS 
Clue: In March 2001, reports had this "Come On Over" singer & her husband Mutt expecting their first pup
answer:

shania twain