CREATE TABLE table_26971 ("DS Division" CLOB, "Main Town" CLOB, "GN Divisions" FLOAT, "Area  ( km 2  ) " FLOAT, "Sri Lankan Tamil" FLOAT, "Sri Lankan Moors" FLOAT, "Sinhalese" FLOAT, "Indian Tamil" FLOAT, "Other" FLOAT, "Total" FLOAT, "Population Density  ( /km 2  ) " FLOAT)

Name the number of gn divisions for mannar
SELECT COUNT("GN Divisions") FROM table_26971 WHERE "DS Division" = 'Mannar'
SELECT COUNT("GN Divisions") FROM "table_26971" WHERE "DS Division" = 'Mannar'