How to create my first Graph

Hi!

Sorry for my English

I have a sheet in mssql in which every 10 seconds a line of data is added: date - time - amount(random(100-1000)). I want to get a graph with sum of amounts from my data grouped by minutes (for instance, ten instances from 16:00 to 16:10 with 6 sums of amounts in each). There are no errors displayed, yet I get an empty graph. What could be the issue?
> SELECT
> [Date] as time,
> SUM([Amount])as VALUE
> FROM TestGrafana
> WHERE
> __timeFilter([Vrem9]) > GROUP BY [Vrem9] ,[Date] > ORDER BY __timeGroup([Vrem9],$__interval)


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