user: Question: WHich INEGI code has a Population density (/km 2 ) smaller than 81.4 and 0.6593 Human Development Index (2000)?
Columns: ['INEGI code', 'Municipality', 'Municipal Seat', 'Area (km 2 )', 'Population (2005)', 'Population density (/km 2 )', 'Human Development Index (2000)']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Amealco de Bonfil', 'Amealco', 682.1, 56457.0, 82.8, 0.6803]
SQL:

assistant: SELECT "INEGI code" FROM "Table" WHERE "Population density (/km 2 )" < 81.4 AND "Human Development Index (2000)" = 0.6593;