After Hurricane Katrina in 2005, Beyoncé and Rowland founded the Survivor Foundation to provide transitional housing for victims in the Houston area, to which Beyoncé contributed an initial $250,000. The foundation has since expanded to work with other charities in the city, and also provided relief following <answer>Hurricane Ike</answer> three years later.
What other hurricane did Beyoncé's foundation help with?
Hurricane Ike