using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        List<string> columnNames = new List<string>(){"name", "town", "post code"};

        List<List<string>> values = new List<List<string>>()

        {

        new List<string>()

        {

        "James", "Vicky", "David"

        }

​

        , new List<string>()

        {

        "Hull", "Brough", "Brough"

        }

​

        , new List<string>()

        {

        "HU8 7HQ", "HU15 1HT", "HU15 2XF"

        }

        };

        var iterators = Enumerable.Range(0, columnNames.Count()); 

        var results = iterators.Select(i => {

            StringBuilder b = new StringBuilder();

            var strings = values.Select(e => e[i]).ToArray();

            foreach(string s in strings)

            {               

                b.Append(s);

                if(s != strings.Last()) b.Append("\t");

            }

            return b.ToString();

        }).ToArray();

        foreach(var r in results)

        {

            Console.WriteLine(r);       

        }

    }

}