What is the 2007 estimate when the rank (csa) is 4
{'header': ['Rank (CSA)', 'Combined Statistical Area (or Metropolitan Statistical Area if noted)', 'State(s)', '2007 Estimate', '2000 Population', 'Percent Change (1990–2000)'], 'page_title': 'I-35 Corridor', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'text', 'text'], 'id': '1-12720275-1', 'section_title': 'U.S. Census statistics', 'caption': 'U.S. Census statistics', 'rows': [['4', 'Dallas-Fort Worth', 'TX', '0 6,498,410', '0 5,487,956', 'A011 +18.41%'], ['22', 'Kansas City-Overland Park-Kansas City, MO-KS CSA', 'MO - KS', '0 2,053,928', '0 1,901,070', 'A042 +8.04%'], ['(MSA 28)', 'San Antonio-New Braunfels, TX MSA', 'TX', '0 1,990,675', '0 1,711,721', 'A088 +16.30%'], ['(MSA 37)', 'Austin-Round Rock-San Marcos, TX MSA **', 'TX', '0 1,598,161', '0 1,249,748', 'A018 +27.88%'], ['34', 'Oklahoma City-Norman-Shawnee **', 'OK', '0 1,262,027', '0 1,160,942', 'A034 +8.71%'], ['44', 'Tulsa-Bartlesville, OK CSA', 'OK', '00, 955,643', '00, 908,528', 'A063 +5.19%'], ['56', 'Wichita-Winfield, KS CSA', 'KS', '00, 630,703', '00, 607,457', 'A075 +3.83%'], ['(MSA 131)', 'Killeen-Temple-Fort Hood, TX MSA', 'TX', '00, 378,935', '00, 330,714', 'A075 +14.58%'], ['(MSA 189)', 'Topeka, KS MSA', 'KS', '00, 228,692', '00, 224,551', 'A560 +1.84%'], ['(MSA 190)', 'Waco, TX MSA', 'TX', '00, 228,123', '00, 213,517', 'A299 +6.84%'], ['(MSA 271)', 'Wichita Falls, TX MSA', 'TX', '00, 148,148', '00, 151,524', 'A788 -2.23%'], ['(MSA 343)', 'Lawton, OK MSA', 'OK', '00, 113,811', '00, 114,996', 'A730 -1.03%'], ['(MSA 348)', 'Lawrence, KS MSA', 'KS', '00, 113,488', '99,962', 'A117 +13.53%'], ['(μSA 449)', 'Stillwater, OK μSA', 'OK', '79,931', '68,190', 'A078 +17.22%'], ['(μSA 512)', 'Hutchinson, KS μSA', 'KS', '63,145', '64,790', 'A805 -2.54%'], ['(μSA 549)', 'Enid, OK μSA', 'OK', '57,657', '57,813', 'A691 -0.27%'], ['(μSA 559)', 'Ardmore, OK μSA', 'OK', '56,694', '54,452', 'A426 +4.12%'], ['(μSA 639)', 'Ponca City, OK μSA', 'OK', '45,638', '48,080', 'A890 -5.08%'], ['(μSA 642)', 'Tahlequah, OK μSA', 'OK', '45,393', '42,521', 'A304 +6.75%'], ['(μSA 662)', 'Duncan, OK μSA', 'OK', '43,322', '43,182', 'A645 +0.32%'], ['(μSA 704)', 'Durant, OK μSA', 'OK', '39,563', '36,534', 'A239 +8.29%'], ['(μSA 717)', 'Emporia, KS μSA', 'KS', '38,863', '38,965', 'A690 -0.26%']], 'name': 'table_12720275_1'}