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.

Category: CLEANING UP 
Clue: In 1898 Caleb Johnson sold this soap named for 2 types of oil used to make it; later the co. merged with Colgate
palmolive

Category: WOMEN IN SPORTS 
Clue: Lisa Fernandez led her teammates to the gold medal in this sport in the 2000 Olympics
softball

Category: BIOLOGY 
Clue: When Lazzaro Spallanzani blinded them, they still flew; when he plugged their ears, they were disoriented

bats