Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who was leading? Title: Reign of Fire Movie plot: The film opens in the undated past. During construction on the London Underground, workers penetrate an underground cave. A huge dragon emerges from hibernation, incinerating the workers with its breath. The only survivor is a boy, Quinn Abercromby (Ben Thornton), whose mother, Karen (Alice Krige) -- the construction crew chiefis crushed to death protecting him. The dragon flies out of the Underground, and soon more dragons appear. It is revealed through newspaper clippings and the narration that dragons are the species responsible for the extinction of the dinosaurs. They are speculated to hibernate after destroying most living creatures until the planet repopulates. After the dragons reawaken, humanity resists with military force, including with nuclear weapons in 2010. This, however, only hastens the destruction, and within a few years, humans are nearly extinct. In 2020, Quinn (Christian Bale) leads a community of survivors in a Northumberland castle. They are starving while awaiting harvest. Although most trust Quinn, some are restless and defiant. Eddie (David Kennedy) and his group steal a truck to pick tomatoes, though it is too soon for harvest. They are attacked by a dragon; one man is killed, and the rest are surrounded by fire. Quinn, Creedy (Gerard Butler), and Jared (Scott Moutter) rescue them with old fire engines, but the dragon kills Eddie's son before escaping. The Kentucky Irregulars, a group of Americans led by Denton Van Zan (Matthew McConaughey), arrive with a Chieftain tank and AgustaWestland AW109 utility helicopter, the latter of which is piloted by Alex Jensen (Izabella Scorupco). Van Zan has a system for hunting dragons and knows their weakness: poor vision before sunset. He and Quinn kill the dragon who destroyed the crops. Van Zan tells Quinn all the dragons they have found have been female. The Americans believe there is only one maleif they kill it, the dragons can no longer reproduce. Although Quinn knows about the male dragon, which killed his mother, he refuses to...
The answer to this question is:
Quinn