Question: Which character made its first appearance in Mega Man X?
Answers:
answer_text: Zero
answer_text: Flame Mammoth
answer_text: Sting Chameleon
answer_text: Armored Armadillo
answer_text: Spark Mandrill
answer_text: Launch Octopus
answer_text: Sigma
answer_text: Boomer Kuwanger
answer_text: Storm Eagle
answer_text: Chill Penguin