overview of columns that are lists available in: https://github.com/emo-bon/observatory-profile/blob/main/logsheet_schema_extended.csv ('DataTypeIn' and 'DataTypeOut' columns)
--> QC rule should ensure that values of those columns are consistently formatted as lists with the structure specified in 'Format notes' column in logsheet_schema_extended.csv
single values are also expected to be outputted as lists