CREATE TABLE table_204_217 (id DECIMAL, "camp" TEXT, "div sec\ division" TEXT, "admin\ district" TEXT, "9 feb" DECIMAL, "11 feb" DECIMAL, "16 feb" DECIMAL, "25 feb" DECIMAL, "27 feb" DECIMAL, "2 mar" DECIMAL, "4 mar" DECIMAL, "6 mar" DECIMAL, "11 mar" DECIMAL, "13 mar" DECIMAL, "24 mar" DECIMAL, "30 mar" DECIMAL, "31 mar" DECIMAL)

what div sec division comes before vavuniya ?
SELECT "div sec\ndivision" FROM table_204_217 WHERE id = (SELECT id FROM table_204_217 WHERE "div sec\ndivision" = 'vavuniya') - 1
SELECT "div sec\ndivision" FROM "table_204_217" WHERE "id" = (SELECT "id" FROM "table_204_217" WHERE "div sec\ndivision" = 'vavuniya') - 1