Question: In what city were business office an studios for KSGN located between 1958 to 2005?
Sentence (from "KSGN"): KSGN ("Keep Sharing the Good News") is a non-commercial based radio station located in Redlands, California, broadcasting to the Riverside, San Bernardino, Palm Springs, Banning areas of the Inland Empire on 89.7 FM and airs a Christian Contemporary music format.
Relevant evidence: Yes