user: ### NOW ANSWER:
Question: what is the nation when the height (m) is 1.91 and the weight (kg) is 99?
Columns: ['Nation', 'Birth date', 'Height (m)', 'Weight (kg)', 'World Rank']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Australia (AUS)', '1958-04-14', '1.83', '110', '9']
SQL:

assistant: SELECT "Nation" FROM "Table" WHERE "Height (m)" = '1.91' AND "Weight (kg)" = '99';