Task: Explanation
Input (English): Powerage is an album by Australian hard rock band AC/DC. It was the band's fourth internationally released studio album and the fifth to be released in Australia. It was also the first AC/DC album to feature Cliff Williams on bass. All songs were written by Angus Young, Malcolm Young and Bon Scott. "Powerage" was re-released in 2003 as part of the "AC/DC Remasters" series. Question: The album Powerage was the first time to feature a bassist born in which year ? Answer: 1949
Output (English):  It was also the first ACDC album to feature Cliff Williams on bass.