Table:
text: British National Derny Championships
Women
Women
Year_ Location_ Gold Silver Bronze
2005 Herne Hill Kate Cullen Ian Smith Jo Tindley Colin Denman Joy Nixon Derek Marloe
2006 Reading Victoria Pendleton Sean Bannister Laura Bissell Ian Smith Leda Cox Paul Spender
2007 Maindy Victoria Pendleton Sean Bannister Alex Greenfield Unknown Katie Curtis Unknown
2008 Maindy Janet Birkmyre Graham Bristow Hannah Rich James Taylor Joanne McRae Colin Denman
2009 Newport Danni King Courtney Rowe Emma Patterson George Gilbert Melanie Sneddon Doug Pinkerton
2010 Scunthorpe Laura Trott Sean Bannister Danni King Courtney Rowe Janet Birkmyre Graham Bristow
2011 Herne Hill Hannah Walker Peter Bäuerlein Claire Newland Dave Scott Corrine Hall Derek Marloe
2012 Herne Hill Hannah Walker George Gilbert Corrine Hall Derek Marloe Joanne McRae Sean Bannister

Question: Who won the silver the year Katie Curtis Unknown won the bronze among women at the British National Derny Championships?