What is the capital of Haiti?

What is the capital of the Cayman Islands? What is the capital of Saint Kitts and Nevis? What is the capital of Cuba? What is the capital of the Dominican Republic? What is the capital of the Canadian province of British Columbia? Which city serves as the capital of the US state of Louisiana? What is the capital of the Mexican state of Yucatan? Which city is the capital of the US state of Oregon?