<invoke name="tool_call"> <parameter name="reasoning">Petal_length has the highest eta-squared (0.941), so it's the most discriminating metric. Fetch the records at its max and min.</parameter> <parameter name="tool">query_sql</parameter> <parameter name="args">{"sql": "SELECT CASE WHEN petal_length = (SELECT MAX(petal_length) FROM raw.iris) THEN 'highest' ELSE 'lowest' END AS extreme, species, sepal_length, sepal_width, petal_length, petal_width FROM raw.iris WHERE petal_length = (SELECT MAX(petal_length) FROM raw.iris) OR petal_length = (SELECT MIN(petal_length) FROM raw.iris) ORDER BY petal_length DESC, species", "purpose": "Show records with highest and lowest petal_length", "source": "raw"}</parameter> </invoke>