def tournament_winner_name(t_body):
    """Get tournament winner name
    
    Args:
        t_body (element.tag) : tourn table body. Child of ResponsiveTable
    
    Returns:
        winner name if found, else None
    """
    winner = t_body.find("a")
    if winner:
        name = winner.text
        return name
    else:
        return None