CREATE TABLE table_24780 ("Year" FLOAT, "W: L: D" TEXT, "Position" TEXT, "Chairman" TEXT, "CEO" TEXT, "Coach" TEXT, "Captain" TEXT, "Vice-Captain" TEXT, "Best and Fairest" TEXT, "Leading Goalkicker" TEXT)

How many years was their W/L/D record 13:10:0?
SELECT COUNT("Chairman") FROM table_24780 WHERE "W: L: D" = '13:10:0'
SELECT COUNT("Chairman") FROM "table_24780" WHERE "W: L: D" = '13:10:0'