What was the actual attendance in number? | What do you mean by actual attendance | The attendance in home games for Altoona Mountain City
SELECT sum ( T1.attendance )  FROM home_game AS T1 JOIN team AS T2 ON T1.team_id  =  T2.team_id group by T1.team_id ORDER BY sum ( T1.attendance )  asc limit 1
actual attendance in number refers to SUM(attendance); attendance in home games for a specific team (Altoona Mountain City) requires joining the home_game table with the team table on team_id;