What was the theme when original artist Rosana's song was performed?
CREATE TABLE table_27616663_1 (theme VARCHAR, original_artist VARCHAR)
SELECT theme FROM table_27616663_1 WHERE original_artist = "Rosana"
### Context: CREATE TABLE table_27616663_1 (theme VARCHAR, original_artist VARCHAR) ### Question: What was the theme when original artist Rosana's song was performed? ### Answer: SELECT theme FROM table_27616663_1 WHERE original_artist = "Rosana"