query_claude_sonnet_4_6_b485e3f1e5b9e5df.sql

WITH fall_semester_events AS (
    -- Identify fall semester events (Sep-Nov 2019, the only/most recent fall semester in the DB)
    SELECT event_id, event_name, event_date
    FROM Event
    WHERE strftime('%m', event_date) BETWEEN '09' AND '11'
      AND strftime('%Y', event_date) = '2019'
),

-- Part 1: Advertisement budget ratio
adv_budgets AS (
    SELECT 
        e.event_name,
        b.amount AS adv_budget
    FROM Budget b
    JOIN fall_semester_events e ON b.link_to_event = e.event_id
    WHERE b.category = 'Advertisement'
      AND e.event_name IN ('Yearly Kickoff', 'October Meeting')
),

kickoff_vs_oct AS (
    SELECT 
        MAX(CASE WHEN event_name = 'Yearly Kickoff' THEN adv_budget END) AS kickoff_adv,
        MAX(CASE WHEN event_name = 'October Meeting' THEN adv_budget END) AS oct_adv,
        ROUND(
            MAX(CASE WHEN event_name = 'Yearly Kickoff' THEN adv_budget END) * 1.0 / 
            MAX(CASE WHEN event_name = 'October Meeting' THEN adv_budget END),
            4
        ) AS times_larger
    FROM adv_budgets
),

-- Part 2: State with highest total approved expenditure among October Meeting attendees
oct_meeting AS (
    SELECT event_id FROM fall_semester_events WHERE event_name = 'October Meeting'
),

state_expenditures AS (
    SELECT 
        z.state,
        SUM(ex.cost) AS total_approved_expenditure,
        RANK() OVER (ORDER BY SUM(ex.cost) DESC) AS rnk
    FROM Attendance a
    JOIN oct_meeting om ON a.link_to_event = om.event_id
    JOIN Member m ON a.link_to_member = m.member_id
    JOIN Zip_Code z ON CAST(m.zip AS TEXT) = CAST(z.zip_code AS TEXT)
    JOIN Expense ex ON ex.link_to_member = m.member_id AND ex.approved = 2
    GROUP BY z.state
),

top_state AS (
    SELECT state, total_approved_expenditure FROM state_expenditures WHERE rnk = 1
)

SELECT 
    k.kickoff_adv AS yearly_kickoff_adv_budget,
    k.oct_adv AS october_meeting_adv_budget,
    k.times_larger AS adv_budget_ratio,
    s.state AS top_state_by_approved_expenditure,
    ROUND(s.total_approved_expenditure, 2) AS top_state_total_approved_expenditure
FROM kickoff_vs_oct k
CROSS JOIN top_state s;