How many chariots of fire appeared when Elijah was taken up?

Answer: One

A chariot of fire with horses of fire appeared and separated Elijah and Elisha, and Elijah went up into heaven in a whirlwind.

“As they were walking along and talking together, suddenly a chariot of fire with horses of fire appeared and separated the two of them, and Elijah went up into heaven in a whirlwind.”— 2 Kings 2:11 (BSB)