CREATE TABLE table_19520 ("Station Name" CLOB, "2002\\u201303" FLOAT, "2004\\u201305" FLOAT, "2005\\u201306" FLOAT, "2006\\u201307" FLOAT, "2007\\u201308" FLOAT, "2008\\u201309" FLOAT, "2009\\u201310" FLOAT, "2010\\u201311" FLOAT, "2011\\u201312" FLOAT)

How many stations in 2011-12 had volume of 11580 in 2008-09?
SELECT COUNT("2011\u201312") FROM table_19520 WHERE "2008\u201309" = '11580'
SELECT COUNT("2011\u201312") FROM "table_19520" WHERE "2008\u201309" = '11580'