Conversation so far:
What is the name of the Fictional character biography?
X-Men's.
In what year was it created?
CANNOTANSWER.
Tell me something interesting about the fictional character biography?
Kitty started to have headaches at age thirteen, signaling the emergence of her mutant powers.
What were her mutant powers?
Kitty started to have headaches at age thirteen, signaling the emergence of her mutant powers.
What else can you tell me about kitty?
Kitty was then allowed to enroll at Xavier's school with her parents' blessing, becoming the youngest member of the team.

Question: How many mutants conformed her team?
Self-contained rewrite: How many mutants conformed Kitty Pryde's team