{
    "action": "tool_call",
    "reasoning": "Compute value frequencies for the main categorical columns (WEBSITE, YEAR, PAGE PATH, PAGE URL) in a single query.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH t AS (SELECT COUNT(*) AS n FROM raw.Website_Analytics), w AS (SELECT 'WEBSITE' AS column_name, CAST(\"WEBSITE\" AS VARCHAR) AS value, COUNT(*) AS freq FROM raw.Website_Analytics GROUP BY 2 ORDER BY freq DESC LIMIT 11), y AS (SELECT 'YEAR' AS column_name, CAST(\"YEAR\" AS VARCHAR) AS value, COUNT(*) AS freq FROM raw.Website_Analytics GROUP BY 2 ORDER BY freq DESC LIMIT 5), p AS (SELECT 'PAGE PATH' AS column_name, CAST(\"PAGE PATH\" AS VARCHAR) AS value, COUNT(*) AS freq FROM raw.Website_Analytics GROUP BY 2 ORDER BY freq DESC LIMIT 5), u AS (SELECT 'PAGE URL' AS column_name, CAST(\"PAGE URL\" AS VARCHAR) AS value, COUNT(*) AS freq FROM raw.Website_Analytics GROUP BY 2 ORDER BY freq DESC LIMIT 5) SELECT column_name, value, freq, ROUND(100.0*freq/(SELECT n FROM t),2) AS pct FROM (SELECT * FROM w UNION ALL SELECT * FROM y UNION ALL SELECT * FROM p UNION ALL SELECT * FROM u) ORDER BY column_name, freq DESC",
        "purpose": "Top values and frequencies for main categorical columns",
        "source": "raw"
    }
}