Conversation so far:
when did trinidad and tobago become an independent country
Trinidad and Tobago achieved full independence via the Trinidad and Tobago Independence Act 1962 on August 31, 1962
what's the capital of Trinidad and Tobago
Port of Spain, officially the City of Port of Spain, is the capital city of Trinidad and Tobago
what's the largest city in Trinidad and Tobago
The Borough of Chaguanas is the largest borough and fastest-growing town in Trinidad and Tobago.

Question: what's the official language
Self-contained rewrite: what's the official language of Trinidad and Tobago