"A Hard Day's Night" is a song by the English rock band the Beatles. Credited to LennonMcCartney, it was written by John Lennon, with some collaboration from Paul McCartney. It was released on the film soundtrack of the same name in 1964. It was also released in the UK as a single, with "Things We Said Today" as its B-side.
A Hard Day's Night is a contemporary Christian song.
A: No

Aleksandr Danilovich Aleksandrov (Russian: , alternative transliterations: "Alexandr" or "Alexander" (first name), and "Alexandrov" (last name)) (August 4, 1912 July 27, 1999), was a Soviet/Russian mathematician, physicist, philosopher and mountaineer.
Aleksandr Danilovich Aleksandrov is a successful mathematician
A: It's impossible to say

Gunfighters of Casa Grande (Spanish: "Los Pistoleros de Casa Grande" ) is a 1964 Eurowestern film, co-produced by American and Spanish producers. Based on a story by Borden and Patricia Chase, it was later developed into a screenplay with the assistance of screenwriter Clark Reynolds and directed by Roy Rowland, the last film he made for Metro-Goldwyn-Mayer.
Gunfighters of Casa Grande has been seen by Zack.
A:
It's impossible to say