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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ParseZeitgeistEventRow( self, parser_mediator, query, row, **unused_kwargs):
 """Parses a zeitgeist event row. Args: parser_mediator (ParserMediator):
 mediates interactions between parsers and other components, such as storage and dfvfs. query (str):
 query that created the row. row (sqlite3.Row):
 row. """

    query_hash = hash(query)

    event_data = ZeitgeistActivityEventData()
    event_data.offset = self._GetRowValue(query_hash, row, 'id')
    event_data.query = query
    event_data.subject_uri = self._GetRowValue(query_hash, row, 'subj_uri')

    timestamp = self._GetRowValue(query_hash, row, 'timestamp')
    date_time = dfdatetime_java_time.JavaTime(timestamp=timestamp)
    event = time_events.DateTimeValuesEvent(
        date_time, definitions.TIME_DESCRIPTION_UNKNOWN)
    parser_mediator.ProduceEventWithEventData(event, event_data)