Table: fbs_football_records
Columns: mountain_west
lost
tied
pct
years
total_games

Question: How many years for the team with under 31 ties and a percentage of 0.5451?
SQL: SELECT "years" FROM fbs_football_records WHERE "tied" < 31 AND "pct" = 0.5451

Question: How many games tied for the air force with over 57 years participating?
SQL: SELECT COUNT("tied") FROM fbs_football_records WHERE "mountain_west" = 'air force' AND "years" > 57