Possible Clues:

• The Athens of South America
• O, thank you for the turf there in South America
• It starts in Ireland and gets round, thanks to the end in America
• Stole good books in this South American city
• Caught in grip of South American snake in city there
• Kick around Guyanese capital, a South American city
• Capital got constricted in South America?
• Capital of a country in Africa British wanted back
• Capital: something that constricts gains acquired
• The capital city of Colombia