Conversation so far:
When did Chrisye get sick?
In July 2005 Chrisye was admitted to Pondok Indah Hospital.
What was Chrisye's ailments?
Chrisye was admitted to Pondok Indah Hospital, complaining of breathing difficulties.
What else was wrong with Chrisye besides breathing difficulties?
After 13 days of treatment he was moved to the Mount Elizabeth Hospital in Singapore, where he was diagnosed with lung cancer.
Was Chrisye's lung cancer treatable?
Chrisye underwent the first of six rounds of chemotherapy on 2 August 2005.
Where did Chrisye undergo the first of six rounds of chemotherapy?
Chrisye was moved to the Mount Elizabeth Hospital in Singapore.
Did Chrisye stop after the first round of chemotherapy?
Chrisye underwent the first of six rounds of chemotherapy.
What happened after Chrisye's first round of chemotherapy?
Chrisye underwent the first of six rounds of chemotherapy.
Did Chrisye get sick again after chemotherapy in 2005?
By February 2007, Chrisye's health was again in decline.
When did Chrisye's health decline start again?
By February 2007, Chrisye's health was again in decline.
Did Chrisye go for treatment again after his health decline in 2007?
Chrisye died on 30 March 2007 at his home in Cipete, South Jakarta.
Did Chrisye die from lung cancer?
Chrisye died in his Jakarta home on 30 March 2007 after a long battle with lung cancer.

Question: When did he die
Self-contained rewrite: When did Chrisye die?