Conversation so far:
What did Rory Gallagher do?
Gallagher played a worn sunburst.
What is a sunburst?
guitar was extensively modified by Gallagher.
What is a stratocaster?
guitar.
What type of guitar?
CANNOTANSWER.

Question: Who did Gallagher look up to?
Self-contained rewrite: Who did Rory Gallagher look up to?