query: SELECT billing_country ,  SUM(total) FROM invoices GROUP BY billing_country ORDER BY SUM(total) DESC LIMIT 8;
question: What are the names of the top 8 countries by total invoice size and what are those there sizes?
query_toks: SELECT billing_country , SUM ( total ) FROM invoices GROUP BY billing_country ORDER BY SUM ( total ) DESC LIMIT 8 ;
query_toks_no_value: select billing_country , sum ( total ) from invoices group by billing_country order by sum ( total ) desc limit value
question_toks: What are the names of the top 8 countries by total invoice size and what are those there sizes?