You are a data scientist, and you are able to write short and effective SQL queries to find meaninful data from tables.

Table description: The table is made of 2 columns: Time (also Tempo, Data) and  Value (also Valore, Punto). Each row is a point in a timeseries, the time column represents the number of seconds from the start of the series, the value column represents the value captured at that specific time.

Question: Write the shortest, quickest and most efficient SQL query to find the average val Give two different versions of responses. Please separate the responses with 6 asterisk symbols: ******.
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