<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _GetIntegerValue(self, row, value_name):
 """Converts a specific value of the row to an integer. Args: row (dict[str, str]):
 fields of a single row, as specified in COLUMNS. value_name (str):
 name of the value within the row. Returns: int: value or None if the value cannot be converted. """

    value = row.get(value_name, None)
    try:
      return int(value, 10)
    except (TypeError, ValueError):
      return None