CREATE TABLE table_51256 ("Mountain West" TEXT, "Lost" FLOAT, "Tied" FLOAT, "Pct." FLOAT, "Years" FLOAT, "Total Games" FLOAT)

How many games tied for the air force with over 57 years participating?
SELECT COUNT("Tied") FROM table_51256 WHERE "Mountain West" = 'air force' AND "Years" > '57'
SELECT COUNT("Tied") FROM "table_51256" WHERE "Mountain West" = 'air force' AND "Years" > '57'