Conversation so far:
What is the supposed former infatuation?
Later in 1998, Morissette released her fourth album, Supposed Former Infatuation Junkie, which she wrote and produced with Glen Ballard.
Was that an album?
her fourth album, Supposed Former Infatuation Junkie.
How did the album do?
it debuted at number one on the Billboard 200 chart with first-week sales of 469,000 copies--a record, at the time.
Did it win any awards?
In Canada, it won the Juno Award for Best Album and was certified four times platinum.
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What else interesting happened with this album?
"Thank U", the album's only major international hit single, was nominated for the 2000 Grammy Award for Best Female Pop.
Did she win?
CANNOTANSWER.
What was Alanis Unplugged?
live acoustic album Alanis Unplugged, which was recorded during her appearance on the television show MTV Unplugged.

Question: What year did she do that?
Self-contained rewrite: What year did Alanis Morissette do a recorded appearance on the television show MTV Unplugged for her album, Alanis Unplugged?