Conversation so far:
who brought about independence to trinidad and tobago
The Trinidad and Tobago Independence Act 1962 was an Act of the Parliament of the United Kingdom that granted independence to Trinidad and Tobago.
what is the official language of trinidad and tobago
English is the official language of Trinidad and Tobago.
what ethnic groups live in trinidad and tobago
Trinidad and Tobago's ethnic groups are 37.6% Indian, 36.3% African, 24.4% Mixed.

Question: can you tell me the country's currency
Self-contained rewrite: what is the currency of trinidad and tobago