Query: What are options of covered call ETFs that use the S&P 500 Index according to Tims ETF newsletter
Parse: [{'covered call':['attribute/fundamental/call_option']},{'ETFs':['vehicle/funds/etf']},{'S&P 500 Index':['exposure/index/sp_500']},{'Tims ETF newsletter':['communities/investors_alley/etf_income_edge/monthly_newsletter']}]