user: Question: What is Population, when Total Congregations is less than 4, and when % LDS is 0.54%?
Columns: ['State', 'Membership', 'Population', '% LDS', 'Total Congregations']
Types: ['text', 'real', 'real', 'text', 'real']
Sample row: ['American Samoa', 15411.0, 54947.0, '28.1%', 36.0]
SQL:

assistant: SELECT "Population" FROM "Table" WHERE "Total Congregations" < 4.0 AND "% LDS" = '0.54%';