Conversation so far:
what happened to Billy Joel in 1974?
In 1974, Billy Joel recorded his second Columbia album in Los Angeles.
what was second Columbia album Billy Joel recorded in Los Angeles?
In 1974, Billy Joel recorded his second Columbia album in Los Angeles, Streetlife Serenade.
was Billy Joel's Streetlife Serenade successful?
Although Streetlife Serenade is often considered one of Billy Joel's weaker albums, it contains the notable songs Los Angelenos and Root Beer Rag“
what was Billy Joel's Turnstiles?
Billy Joel returned to New York City in 1975 and recorded Turnstiles, the first album he recorded with the group of hand-picked musicians who became the Billy Joel Band.
was Billy Joel's Turnstiles successful?
`Turnstiles reached 122 on the Billboard 200 Chart
did Billy Joel win any awards?
Billy Joel has been nominated for 23 Grammy Awards, winning five of them, including Album of the Year for 52nd Street.
Are there any other interesting aspects about the Billy Joel article?
Upset that Piano Man had been significantly cut for radio play, Billy Joel wrote The Entertainer as a sarcastic response

Question: what was the sarcastic response?
Self-contained rewrite: what was the sarcastic response Billy Joel wrote after being upset that Piano Man had been significantly cut for radio play?