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 the first female surfer to ride the "big wave", Aill na Searrach off the Cliffs of Moher in 2007? Title: Waveriders Movie plot: WAVERIDERS is the critically-acclaimed story of Irelands roots in modern day surfing and its most surprising legacy the emergence of big wave surfing along its forbidding coastline. Paying homage to George Freeth, the father of modern surfing, the story follows the wave of surfing culture from west coast America to Irelands unforgiving waters. With stunning coastline, thumped year round by unmatched North Atlantic swells, Ireland is the pre-eminent destination for big-wave surfers. Featuring pro surfers Kelly Slater, Gabe Davies and the Malloy brothers, and narrated by actor Cillian Murphy, Waveriders culminates in aweinspiring and nail-biting footage of surfers conquering the largest waves ever surfed around Ireland.
A:
Can't answer