Conversation so far:
What did Dick Enberg do while in Los Angeles?
In the late 1960s, Dick Enberg began a full-time sportscasting career in Los Angeles, working for KTLA television and KMPC radio
What station affiliate was Dick Enberg a sportscaster for?
Dick Enberg worked for KTLA television (anchoring a nightly sports report and calling UCLA Bruins basketball) and KMPC radio (calling Los Angeles Rams football and California Angels baseball)

Question: How long did he work for KMPC?
Self-contained rewrite: How long did Dick Enberg work for KMPC?