Fredo has recently joined the statistical section of a cricket broadcasting channel. He is given a table which consists of three fields as described below:
1. MatchId: Id of the cricket match.
2. U1: Name of the first on field umpire.
3. U2: Name of the second on field umpire.
His task is to count the number of matches in which one of the on field umpires is 'Bowden' or 'Taufel' and the other umpire is not 'Buckner'. Help him with the task.
Note: Cricket is a game in which there are two on field umpires in every match.
Table : UmpireInfo
Sample logs Table:
The matches 2,4 and 5 satisfy the given condition. Hence, answer is 3.