user: Question: How many regions had a life expectancy at birth in 2001-2002 of 75.9?
Columns: ['Region', 'HDI', 'Life expectancy at birth (2001-2002)', 'Adult literacy rate (2009)', 'Combined gross enrollment ratio (2009)', 'GDP (PPP) per capita (2008)']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['Arica and Parinacota + Tarapacá', '0.913', '77.1', '98.1', '94.0', 19885.0]
SQL:

assistant: SELECT COUNT("HDI") FROM "Table" WHERE "Life expectancy at birth (2001-2002)" = '75.9';