When was the last time the Raiders won the Super Bowl?
The Raiders have won three Super Bowl championships (1977, 1981, and 1984), one American Football League (AFL) championship (1967), and four American Football Conference (AFC) titles. The most recent Super Bowl ring was won in 1984 against the Washington Redskins of the NFC.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
----------------

----------------
Answer the following query.
When was the last time the Raiders won the Super Bowl?

user
The Raiders have won three Super Bowl championships (1977, 1981, and 1984), one American Football League (AFL) championship (1967), and four American Football Conference (AFC) titles. The most recent Super Bowl ring was won in 1984 against the Washington Redskins of the NFC.
assistant