| 1 | A | B | C | D |
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| 2 | List of awards and nominations received by Slipknot - Grammy Awards |  |  |  |
| 3 | Year | Nominee / work | Award | Result |
| 4 | 2001 | "Wait and Bleed" | Best Metal Performance | Nominated |
| 5 | 2002 | "Left Behind" | Best Metal Performance | Nominated |
| 6 | 2003 | "My Plague" | Best Metal Performance | Nominated |
| 7 | 2005 | "Duality" | Best Hard Rock Performance | Nominated |
| 8 | 2005 | "Vermilion" | Best Metal Performance | Nominated |
| 9 | 2006 | "Before I Forget" | Best Metal Performance | Won |
| 10 | 2009 | "Psychosocial" | Best Metal Performance | Nominated |
| 11 | 2015 | "The Negative One" | Best Metal Performance | Nominated |
| 12 | 2016 | "Custer" | Best Metal Performance | Nominated |
| 13 | 2016 | .5: The Gray Chapter | Best Rock Album | Nominated |

Question: What song did Slipknot receive the Grammy for Best Metal Performance for in 2006? 
Answer: In 2006, "Before I Forget " won a Grammy Award for Best Metal Performance.