Question: For Badgeholders Only is a bootleg recording of a rock concert by English rock band Led Zeppelin, performed on which date?
Sentence (from "For Badgeholders Only"): For Badgeholders Only is a bootleg recording of a rock concert by English band Led Zeppelin, performed on June 23, 1977 at the Los Angeles Forum in Los Angeles, California, a show which came towards the end of the band's 1977 North American concert tour.
Relevant evidence: Yes