Update query.md (#5071)

Changes suggested By Darren Bruton via slack thread:

https://influxdata.slack.com/archives/C04768675QD/p1691182516418369

content/influxdb/cloud-dedicated/get-started/query.md

@@ -335,7 +335,7 @@ _If your project's virtual environment is already running, skip to step 3._
     '''
 
     table = client.query(query=sql)
-    print(reader.to_pandas().to_markdown())
+    print(table.to_pandas().to_markdown())
     ```
 
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