Table: south_america_economy
Columns: country
currency
1_euro
1_usd
central_bank

Question: What's the value of 1 USD in Paraguay?
SQL: SELECT "1_usd" FROM south_america_economy WHERE "country" = 'Paraguay'

Question: What's the value of 1 Euro in the country where the value of 1 USD is 483.050 of the local currency?
SQL: SELECT "1_euro" FROM south_america_economy WHERE "1_usd" = '483.050'

Question: What's the name of the central bank in the country where Colombian Peso (cop) is the local currency?
SQL: SELECT "central_bank" FROM south_america_economy WHERE "currency" = 'Colombian peso (COP)'

Question: What's the name of the country where 1 USD equals 1.71577 of the local currency.
SQL: SELECT "country" FROM south_america_economy WHERE "1_usd" = '1.71577'