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:
| Rank | Mountain Pass | Elevation | Surface | Route |
| --- | --- | --- | --- | --- |
| 1.0 | Independence Pass | 12,103 feet 3689 m | asphalt | 82.0 |
| 2.0 | Loveland Pass | 11,990 feet 3655 m | asphalt | 6.0 |
| 3.0 | Hoosier Pass | 11,541 feet 3518 m | asphalt | 9.0 |
| 4.0 | Slumgullion Pass | 11,361 feet 3463 m | asphalt | 149.0 |
| 5.0 | Fremont Pass | 11,318 feet 3450 m | asphalt | 91.0 |
| 6.0 | Berthoud Pass | 11,315 feet 3449 m | asphalt | 40.0 |
| 7.0 | Monarch Pass | 11,312 feet 3448 m | asphalt | 50.0 |
| 8.0 | Juniper Pass | 11,040 feet 3365 m | asphalt | 103.0 |
| 9.0 | Red Mountain Pass | 11,018 feet 3358 m | asphalt | 550.0 |
| 10.0 | Molas Divide | 10,910 feet 3325 m | asphalt | 550.0 |
| 11.0 | Spring Creek Pass | 10,901 feet 3323 m | asphalt | 149.0 |
| 12.0 | Wolf Creek Pass | 10,850 feet 3307 m | asphalt | 160.0 |
| 13.0 | Milner Pass | 10,758 feet 3279 m | asphalt | 34.0 |
| 14.0 | Vail Pass | 10,666 feet 3251 m | asphalt | 70.0 |
| 15.0 | Coal Bank Pass | 10,640 feet 3243 m | asphalt | 550.0 |
| 16.0 | Tennessee Pass | 10,424 feet 3177 m | asphalt | 24.0 |
| 17.0 | Cameron Pass | 10,276 feet 3132 m | asphalt | 14.0 |
| 18.0 | La Manga Pass | 10,230 feet 3118 m | asphalt | 17.0 |
| 19.0 | Lizard Head Pass | 10,222 feet 3116 m | asphalt | 145.0 |
| 20.0 | North Pass | 10,149 feet 3093 m | asphalt | 114.0 |
| 21.0 | Cumbres Pass | 10,022 feet 3055 m | asphalt | 17.0 |
| 22.0 | Kenosha Pass | 10,001 feet 3048 m | asphalt | 285.0 |
| 23.0 | Red Hill Pass | 9,993 feet 3046 m | asphalt | 285.0 |
| 24.0 | Cucharas Pass | 9,941 feet 3030 m | asphalt | 12.0 |
| 25.0 | Willow Creek Pass | 9,621 feet 2932 m | asphalt | 125.0 |
| 26.0 | Gore Pass | 9,527 feet 2904 m | asphalt | 134.0 |
| 27.0 | Wilkerson Pass | 9,507 feet 2898 m | asphalt | 24.0 |
| 28.0 | Currant Creek Pass | 9,482 feet 2890 m | asphalt | 9.0 |
| 29.0 | Rabbit Ears Pass | 9,426 feet 2873 m | asphalt | 40.0 |
| 30.0 | North La Veta Pass | 9,413 feet 2869 m | asphalt | 160.0 |
| 31.0 | Trout Creek Pass | 9,346 feet 2849 m | asphalt | 24.285 |
| 32.0 | Ute Pass | 9,165 feet 2793 m | asphalt | 24.0 |
| 33.0 | Wind River Pass | 9,150 feet 2790 m | asphalt | 7.0 |
| 34.0 | Hardscrabble Pass | 9,085 feet 2769 m | asphalt | 96.0 |
| 35.0 | Poncha Pass | 9,010 feet 2746 m | asphalt | 285.0 |
| 36.0 | Dallas Divide | 8,970 feet 2734 m | asphalt | 62.0 |
| 37.0 | Muddy Pass | 8,772 feet 2674 m | asphalt | 40.0 |
| 38.0 | McClure Pass | 8,755 feet 2669 m | asphalt | 133.0 |
| 39.0 | Douglas Pass | 8,268 feet 2520 m | asphalt | 139.0 |
| 40.0 | Cerro Summit | 7,958 feet 2423 m | asphalt | 50.0 |
| 41.0 | Raton Pass | 7,834 feet 2388 m | asphalt | 25.0 |
| 42.0 | Yellowjacket Pass | 7,783 feet 2372 m | asphalt | 160.0 |
| 43.0 | Monument Hill | 7,343 feet 2238 m | asphalt | 25.0 |
| 44.0 | Unaweep Divide | 7,048 feet 2148 m | asphalt | 141.0 |
Question:
What is the Mountain Pass with a 21 Rank?
Answer:
Cumbres Pass