user: Question: What is the highest number where the portion of observers is 0.163%?
Columns: ['Region', 'Total Population', 'Hindus', '% of Hindus', '% of Hindu total']
Types: ['text', 'real', 'real', 'text', 'text']
Sample row: ['Central Asia', 92019166.0, 149644.0, '0.163%', '0.016%']
SQL:

assistant: SELECT MAX("Hindus") FROM "Table" WHERE "% of Hindus" = '0.163%';