def get_revoke_key(revoke_statement):
    """
    Create the key from the revoke statement.
    The key will be used as the dictionnary key.
    :param revoke_statement: The revoke statement
    :return: The key
    """

    splitted_statement = revoke_statement.split()
    revoke_privilege = splitted_statement[1]

    if "." in splitted_statement[3]:
        revoke_table = splitted_statement[3].split('.')[1]
    else:
        revoke_table = splitted_statement[3]

    return revoke_privilege + "_" + revoke_table