<invoke name="tool_call"> <parameter name="reasoning">One UNION ALL query gives value frequencies for all six categorical columns at once.</parameter> <parameter name="tool">query_sql</parameter> <parameter name="args">{"sql":"WITH t AS (SELECT 'primary_bedtime_app' AS column_name, CAST(primary_bedtime_app AS VARCHAR) AS value FROM raw.bedtime_screentime_sleep_debt UNION ALL SELECT 'occupation_type', CAST(occupation_type AS VARCHAR) FROM raw.bedtime_screentime_sleep_debt UNION ALL SELECT 'sleep_debt_category', CAST(sleep_debt_category AS VARCHAR) FROM raw.bedtime_screentime_sleep_debt UNION ALL SELECT 'chronotype', CAST(chronotype AS VARCHAR) FROM raw.bedtime_screentime_sleep_debt UNION ALL SELECT 'gender', CAST(gender AS VARCHAR) FROM raw.bedtime_screentime_sleep_debt UNION ALL SELECT 'blue_light_filter_active', CAST(blue_light_filter_active AS VARCHAR) FROM raw.bedtime_screentime_sleep_debt) SELECT column_name, value, COUNT(*) AS n, ROUND(100.0*COUNT(*)/8500,1) AS pct FROM t GROUP BY column_name, value ORDER BY column_name, n DESC","purpose":"Frequency of each value in every categorical column","source":"raw"}</parameter> </invoke>