Question: How many Scottish League One games took place on the day that "Pro Vercelli" and "Pescara"had a 5-2 game?
SQL: SELECT COUNT(T1.Date) FROM matchs AS T1 INNER JOIN divisions AS T2 ON T1.Div = T2.division WHERE T2.name = 'Scottish League One' AND T1.Date = ( SELECT Date FROM matchs WHERE FTHG = 5 AND FTAG = 2 AND HomeTeam = 'Pro Vercelli' AND AwayTeam = 'Pescara' )