using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var array = new MyType[]{new MyType{Field = 1},new MyType{Field = 2}, new MyType{Field = 3}};

        var result = array.AsQueryable().Where(x => x.Field > 1).Select(x => x.ToString()).FirstOrDefault();

    }

}

​

public class MyType {

    public int Field { get; set; }

    public override string ToString()

    {

        Console.WriteLine("To string for {0}", Field);

        return Field.ToString();

    }

}