def match_node(var_name, node_id, node_label):
    """Query to match a node into the variable.

    Parameters
    ----------
    var_name
        Variable name to use for the matched node
    node_id
        Id of the node to match
    label
        Label of the node to match, default is 'node'
    """
    return "MATCH ({}:{} {{ id : '{}' }})\n".format(var_name, node_label,
        node_id)
