Conversation so far:
When did Willie Stargell retire from baseball?
Willie Stargell played until 1982, but he never appeared in more than 74 games after 1979.
When did Willie Stargell die?
After years of suffering from a kidney disorder, Willie Stargell died of complications related to a stroke in Wilmington, North Carolina, on April 9, 2001.
What occupation did Willie Stargell have after baseball?
After retirement, Willie Stargell spent two years as a first base coach for the Atlanta Braves from 1986-1988, wearing his customary #8.
What was another job Willie Stargell had after he retired from baseball besides as a first base coach?
Willie Stargell returned to the Pittsburgh club in 1997 as an aide to Cam Bonifay, the team's general manager.

Question: What was the cause of Willie's death?
Self-contained rewrite: What was the cause of Willie Stargell's death?