Jan Schneider, a perennial candidate for Congress, has filed to run for the Congressional seat held by Rep. Vern Buchanan, R-Sarasota, a sixth time.Schneider, a Sarasota attorney, has run for the District 13 seat covering Manatee and Sarasota counties four times — in 2002, 2004, 2006 and 2008 — and then a fifth time in 2010 before she withdrew. She lost each time, sometimes in the primary and sometimes in the general election. She has run as both a Democrat and as an independent.