Question: "Let 'Em In" is a song by Wings from which 1976 album, it's the fifth studio album by Wings, released on 25 March 1976 as a follow-up to their previous album "Venus and Mars"? 
Sentence (from "Wings at the Speed of Sound"): Issued at the height of the band's popularity, it reached the top spot on the US album chart and peaked at number 2 on the UK album chart.
Relevant evidence: No