Question: The CBS host that Suzette Quintanilla told about Selena's album, "Unos", has been the host of what CBS reality-television program?
Sentence (from "Julie Chen"): She has been the host of the U.S. version of the CBS reality-television program "Big Brother" since its debut in July 2000 and is the longest-serving host of any country's version of the show.
Relevant evidence: Yes