CREATE TABLE table_1525 ("Team" TEXT, "P" FLOAT, "W" FLOAT, "D" FLOAT, "L" FLOAT, "Tries for" FLOAT, "Tries against" FLOAT, "Try diff" TEXT, "Points for" FLOAT, "Points against" FLOAT, "Points diff" TEXT, "Pts" FLOAT)

Name the least tries for when w is 4
SELECT MIN("Tries for") FROM table_1525 WHERE "W" = '4'
SELECT MIN("Tries for") FROM "table_1525" WHERE "W" = '4'