Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| State | Date | Yes vote | No vote | Vote outcome |
| --- | --- | --- | --- | --- |
| West: | West: | West: | West: | West: |
| Alaska | 1998 | 68% (152,965) | 32% (71,631) | Yes |
| Hawaii | 1998 | 71% (285,384) | 29% (117,827) | Yes |
| Nevada | 2002 | 67% (337,183) | 33% (164,555) | Yes |
| Montana | 2004 | 67% (295,070) | 33% (148,263) | Yes |
| Oregon | 2004 | 57% (1,028,546) | 43% (787,556) | Yes |
| Utah | 2004 | 66% (593,297) | 34% (307,488) | Yes |
| Arizona | 2006 | 48% (574,332) | 52% (607,769) | No |
| Colorado | 2006 | 56% (865,126) | 44% (674,030) | Yes |
| Idaho | 2006 | 63% (282,301) | 37% (163,408) | Yes |
| Arizona | 2008 | 56% (1,258,355) | 44% (980,753) | Yes |
| California | 2008 | 52% (7,001,084) | 48% (6,401,482) | Yes1 |
| Midwest: | Midwest: | Midwest: | Midwest: | Midwest: |
| Nebraska | 2000 | 70% (450,073) | 30% (189,555) | Yes |
| Missouri | 2004 | 71% (1,055,771) | 29% (439,529) | Yes |
| Michigan | 2004 | 59% (2,698,077) | 41% (1,904,319) | Yes |
| North Dakota | 2004 | 73% (223,572) | 27% (81,716) | Yes |
| Ohio | 2004 | 62% (3,329,335) | 38% (2,065,462) | Yes |
| Oklahoma | 2004 | 76% (1,075,216) | 24% (347,303) | Yes |
| Kansas | 2005 | 70% (414,106) | 30% (178,018) | Yes |
| South Dakota | 2006 | 52% (172,242) | 48% (160,173) | Yes |
| Wisconsin | 2006 | 59% (1,260,554) | 41% (861,554) | Yes |
| Minnesota | 2012 | 47% (1,399,938) | 53% (1,550,844) | No |
| South: | South: | South: | South: | South: |
| Louisiana | 2004 | 78% (618,928) | 22% (177,103) | Yes |
| Arkansas | 2004 | 75% (753,770) | 25% (251,914) | Yes |
| Georgia | 2004 | 76% (2,454,912) | 24% (768,703) | Yes |
| Kentucky | 2004 | 75% (1,222,125) | 25% (417,097) | Yes |
| Mississippi | 2004 | 86% (957,104) | 14% (155,648) | Yes |
| Texas | 2005 | 76% (1,718,513) | 24% (536,052) | Yes |
| Alabama | 2006 | 81% (734,746) | 19% (170,399) | Yes |
| South Carolina | 2006 | 78% (825,766) | 22% (232,978) | Yes |
| Tennessee | 2006 | 81% (1,419,434) | 19% (327,536) | Yes |
| Virginia | 2006 | 57% (1,328,134) | 43% (998,483) | Yes |
| Florida | 2008 | 62% (4,890,883) | 38% (3,008,026) | Yes |
| North Carolina | 2012 | 61% (1,317,976) | 39% (840,802) | Yes |
Question:
What was the date for Colorado?
Answer:
2006.0