CREATE TABLE table_25142 ("Position" FLOAT, "2005\\u20132006" TEXT, "2006\\u20132007" TEXT, "2007\\u20132008" TEXT, "2008\\u20132009" TEXT, "2009\\u20132010" TEXT)

what isthe total number of seasons for chris crowther?
SELECT COUNT("2009\u20132010") FROM table_25142 WHERE "2006\u20132007" = 'Chris Crowther'
SELECT COUNT("2009\u20132010") FROM "table_25142" WHERE "2006\u20132007" = 'Chris Crowther'