Question: On what day did Pantera release their album that peaked at number 27 on the US "Billboard" Heatseekers chart?
Sentence (from "Pantera discography"): The band's major-label debut, "Cowboys from Hell" (1990), peaked at number 27 on the US "Billboard" Heatseekers chart, and was certified platinum by the Recording Industry Association of America (RIAA).
Relevant evidence: Yes