user: Question: What is the 2000 population in OK with a 1990-2000 percent change of A078 +17.22%?
Columns: ['Rank (CSA)', 'State(s)', '2007 Estimate', '2000 Population', 'Percent Change (1990–2000)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['4', 'TX', '0 6,498,410', '0 5,487,956', 'A011 +18.41%']
SQL:

assistant: SELECT "2000 Population" FROM "Table" WHERE "State(s)" = 'OK' AND "Percent Change (1990–2000)" = 'A078 +17.22%';