Which of the following singles by rock group Boston was their only one to top the US Billboard Hot 100?

'Amanda' is a power ballad by rock band Boston written by Tom Scholz. The song was released as the first single from the band's third album, 'Third Stage', in 1986, six years after it was recorded. 'Amanda' became the band's highest charting single in the United States and Canada. In the United States, the single topped the Billboard Hot 100 in November, 1986, for two consecutive weeks (the band's only number 1 on the Hot 100).

Boston is an American rock band from Boston, Massachusetts, which had its most notable successes during the 1970 s and 1980 s. The band is centered on multi-instrumentalist founder and leader Tom Scholz (born March 10, 1947), who played the majority of instruments on the debut album, and lead vocalist Brad Delp (June 12, 1951 – March 9, 2007). Boston's best-known songs include 'More Than a Feeling', 'Peace of Mind', 'Foreplay/Long Time', 'Rock and Roll Band', 'Smokin', 'Don't Look Back', 'A Man I'll Never Be', and 'Amanda'. The band has sold more than 75 million records worldwide, including 31 million albums in the United States, of which 17 million were from its self-titled debut album and seven million were for its second album, 'Don't Look Back', making the group one of the world's best-selling artists. Altogether, the band has released six studio albums over a career spanning over 46 years. Boston was ranked the 63rd best hard rock artist by VH1. (an American basic cable television network ).