Conversation so far:
What did Rory Gallagher do?
William Rory Gallagher was an Irish blues and rock multi-instrumentalist, songwriter, and producer.
What is a sunburst and its connection to Rory Gallagher?
Sunburst is a style of finishing for musical instruments such as electric and acoustic guitars. Rory Gallagher played a worn sunburst 1961 Stratocaster for some years.
What is a stratocaster and its connection to Rory Gallagher?
William Rory Gallagher played a worn sunburst 1961 Stratocaster for some years.

Question: What type of guitar?
Self-contained rewrite: What type of guitar did Rory Gallagher play?