user: Question: What is Initial-Syllable Open/Semi-Open Unstresses Vowels, when Australian is "ə"?
Columns: ['Initial-syllable open/semi-open unstressed vowels', '17th c.', 'American', 'British', 'Australian', 'Examples']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['a /ə/', 'ɐ', 'ə', 'ə', 'ə', 'papyrus, placebo, saliva, basilica']
SQL:

assistant: SELECT "Initial-syllable open/semi-open unstressed vowels" FROM "Table" WHERE "Australian" = 'ə';