Conversation so far:
When did Ernie exihibt tax evasion?
1961.
What happened?
was served with a $75,000 lien for back taxes.
how much did he evade?
$75,000.
ddi eh go to prison?
CANNOTANSWER.
Are there any other interesting aspects about this article?
His tax woes also affected Kovacs's career.

Question: how did they affect his career?
Self-contained rewrite: how did tax evasion affect Ernie Kovacs's career?