Conversation so far:
When did Shen Kuo die?
1093.
What was she impeached for?
CANNOTANSWER.
Any interesting information?
In the 1070s, Shen had purchased a lavish garden estate on the outskirts of modern-day Zhenjiang.

Question: What was important about Kuo?
Self-contained rewrite: What was important about Shen Kuo's life?