Table:
text: United States presidential election in New Mexico, 2008
By county
By county
County Obama__1 Obama__2 McCain__3 McCain__4 Total
Luna 52.65% 4289 47.35% 3857 8146
McKinley 72.12% 15993 27.88% 6183 22176
Mora 79.24% 2156 20.76% 565 2721
Otero 40.21% 8602 59.79% 12791 21393
Quay 39.55% 1546 60.45% 2363 3909
Rio Arriba 75.51% 11245 24.49% 3648 14893
Roosevelt 34.63% 2270 65.37% 4285 6555
San Juan 39.16% 17645 60.84% 27418 45063
San Miguel 80.71% 10128 19.29% 2421 12549
Sandoval 56.33% 32102 43.67% 24887 56989
Santa Fe 77.70% 53802 22.30% 15443 69245
Sierra 43.85% 2351 56.15% 3011 5362
Socorro 60.66% 4643 39.34% 3011 7654
Taos 82.56% 13384 17.44% 2827 16211
Torrance 45.19% 3068 54.81% 3721 6789
Union 28.77% 492 71.23% 1218 1710

Question: What percentage of the votes did Obama receive in the 2008 US presidential election in New Mexico in the district in which a total of 3909 people voted?

Question: What percentage of the votes did Obama receive in the district where McCain received 3648 votes in the 2008 United States presidential election in New Mexico?