CREATE TABLE table_204_806 (id DECIMAL, "name" TEXT, "date" TEXT, "condition" TEXT, "ownership\ / access" TEXT, "notes" TEXT)

which castle is considered second fortress of anjou , after angers ?
SELECT "name" FROM table_204_806 WHERE "notes" = 'considered second fortress of anjou, after angers'
SELECT "name" FROM "table_204_806" WHERE "notes" = 'considered second fortress of anjou, after angers'