Question: How many years for the team with under 31 ties and a percentage of 0.5451?
SQL: SELECT "Years" FROM "2-11513625-10" WHERE "Tied" < 31.0 AND "Pct." = 0.5451;

Question: How many games tied for the air force with over 57 years participating?
SQL: SELECT COUNT("Tied") FROM "2-11513625-10" WHERE "Mountain West" = 'air force' AND "Years" > 57.0;