query: SELECT sum(market_rate) FROM furniture ORDER BY market_rate DESC LIMIT 2
question: find the total market rate of the furnitures that have the top 2 market shares.
query_toks: SELECT sum ( market_rate ) FROM furniture ORDER BY market_rate DESC LIMIT 2
query_toks_no_value: select sum ( market_rate ) from furniture order by market_rate desc limit value
question_toks: find the total market rate of the furnitures that have the top 2 market shares.