Table: latin_vowels
Columns: long_vowels
17th_c
american
british
australian

Question: What's the American pronunciation when the Australian is əʉ?
SQL: SELECT "american" FROM latin_vowels WHERE "australian" = 'əʉ'

Question: What is the 17th c. pronunciation when the british is əʊ?
SQL: SELECT "17th_c" FROM latin_vowels WHERE "british" = 'əʊ'

Question: What is the 17th c. pronunciation when the British is i and the long vowels are e /iː/?
SQL: SELECT "17th_c" FROM latin_vowels WHERE "british" = 'i' AND "long_vowels" = 'e /iː/'

Question: What's the British pronunciation when the American and Australian is i?
SQL: SELECT "british" FROM latin_vowels WHERE "american" = 'i' AND "australian" = 'i'