Waterloo (song) (1974)

Waterloo (song) (1974) trivia questions

1. Which country's Eurovision entry was ABBA's 1974 winning song?
2. Which label released ABBA's 1974 album in Sweden?
3. In Sweden, how did ABBA's 1974 album perform on the charts?
4. Besides Sweden, which country did ABBA's 1974 album top?
5. Which two countries saw ABBA's 1974 album reach the top ten?
6. Within ABBA's studio albums, what number was the 1974 release?