C#:
[Table("dbo", "User")]
public class User
{
    public string Name { get; set; }
    [Json]
    public IEnumerable<int> Numbers { get; set; }
}

public class UserQuery
{
    public int HasNumber { get; set; }
}

DDL:
CREATE TABLE [dbo].[User]
(
    Name nvarchar(50),
    Numbers nvarchar(500)
)

SQL INSERT:
@model MyProject.Models.User

@foreach (var u in this.M.Vals())
{
    INSERT INTO @M.TblName() ( @M.ColNames() ) VALUES ( @M.Pars() )
}

SQL QUERY:
@result MyProject.Models.User
@model MyProjection.Models.UserQuery

SELECT
    @R.Star()
FROM
    @R.Tbl()
WHERE EXISTS(
    SELECT 0 FROM @R.OpenJson(r => r.Numbers) S1
    WHERE S1.Value = @Model.HasNumber
)