查询金额超过5万元的大额交易

def solve():
    from pyodide.http import open_url
    offices_csv = open_url("https://data.zuihe.com/dbd/core/state_02/offices.csv").read()
    staff_csv = open_url("https://data.zuihe.com/dbd/core/state_02/staff.csv").read()
    savings_products_csv = open_url("https://data.zuihe.com/dbd/core/state_02/savings_products.csv").read()
    clients_csv = open_url("https://data.zuihe.com/dbd/core/state_02/clients.csv").read()
    savings_accounts_csv = open_url("https://data.zuihe.com/dbd/core/state_02/savings_accounts.csv").read()
    savings_account_transactions_csv = open_url("https://data.zuihe.com/dbd/core/state_02/savings_account_transactions.csv").read()
    import sqlite3
    import pandas as pd
    from io import StringIO

    conn = sqlite3.connect(':memory:')
    pd.read_csv(StringIO(clients_csv)).to_sql('clients', conn, index=False, if_exists='replace')
    pd.read_csv(StringIO(savings_accounts_csv)).to_sql('savings_accounts', conn, index=False, if_exists='replace')
    pd.read_csv(StringIO(savings_account_transactions_csv)).to_sql('savings_account_transactions', conn, index=False, if_exists='replace')

    result = pd.read_sql_query("""
        SELECT a.account_no, c.name AS client_name, t.amount, t.transaction_date, t.description
        FROM savings_account_transactions t
        JOIN savings_accounts a ON t.account_id = a.id
        JOIN clients c ON a.client_id = c.id
        WHERE t.amount >= 50000
        ORDER BY t.amount DESC
    """, conn)
    print(result.to_string(index=False))
    conn.close()