Pick up Dates from initial rows as a column

rds_2019 

Hi,

Please see if this useful. File attached as well

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WckksSVTILFbwzC3ILypJzCtR0lECoVgduNyhBQpJOYkZYAJTVqE4My85VcHAUB+IjAwMLZGUIDGd83NKc/MMgVwIywjOMgbLF+QDBRITgYSREVggJxvITkoCEkAFsQA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type text) meta [Serialized.Text = true]) in type table [Column1 = _t, Column2 = _t, Column3 = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Column1", type text}, {"Column2", type text}, {"Column3", type text}}),
    #"Removed Top Rows" = Table.Skip(#"Changed Type",4),
    #"Promoted Headers" = Table.PromoteHeaders(#"Removed Top Rows", [PromoteAllScalars=true]),
    #"Added Custom" = Table.AddColumn(#"Promoted Headers", "Date", each Text.AfterDelimiter(#"Changed Type"{2}[Column1], " ", {0, RelativePosition.FromEnd}))
in
    #"Added Custom"