Line of code works but I know it's not correct

I hope someone can help me because I've been at this for 2 days now.

I'll go step by step. I'll make the code brief.

1. I have a model like this

		public class SearchAssetModelGeneral //camilla try
		{
			public int? ScheduleID { get; set; }
			public long UnitID { get; set; } 
                         .....
			//public Schedule Schedule { get; set; }

		}

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2. I have a stored proc and get the result

	var result = CurrentContext.Database.SqlQuery<SearchAssetModelGeneral>("[dbo].[usp_SearchAssets]").ToList();

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3.  I get the Schedule data from the result

var schedule = result.Select(x => new Schedule()
				{
					ID = x.ID1,
					Sched = x.Sched,
				..........


				}).ToList();

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4. I get the Unit data but Unit has a FK to Scheudle so I want to attach the Schedule to it. This works if I get one row but how can I change it to work for more than one row?
I've marked it below.

How can I say..... I have more than one Unit rows and attach this Scheulde row to this Unit row (unit.scheduleId = scheudle.id)

var unitResult = (from a in result
				 select new
					{ 
                                           ID = a.UnitID,
					   ScheduleId = a.ID1,
					  }).ToList().Select( c=> new Unit
						{
		                         	  ID = c.ID,
				        	  ScheduleID = c.ScheduleId,
								          ...............
			                        Schedule = schedule.FirstOrDefault() //*****this isn't correct. Gets the first row only. How can I say I have more than one Unit row and this Scheudle Row goes with this Unit row? Can I add a "where" here to say.. Schedule.Id = Unit.ScheduleId to attach the correct Schedule row to the correct Unit row?
									  //Schedule = new Schedule()
									  //{

									  //}
								  }).AsQueryable();

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