using System;

public class Program

{

    public static void Main()

    {

        string targetId = "IMGLO17DVGPY81XP";

        DateTimeOffset? untilDate = DateTimeOffset.UtcNow;

        Console.WriteLine(string.Format(

                "select last(measure) from /{0}[M]?[m]?inute/ {1}limit 1",

                string.IsNullOrEmpty(targetId) ? "" : $"{targetId}_",

                untilDate is DateTimeOffset date ? $"where time < {date.ToString("u")} " : ""

            ));

    }

}