Grafana version 6 create graph

I am using InfluxDB as database. This video is showing how to create a query for Temperature and Humidity from my bath room. I also show you how: How to use alias pattern $m means Measurement name, $col means column name, read more about Alias pattern here, http://docs.grafana.org/features/data.... Duplicate a query. Using fill(previous) and fill (linear)