CREATE TABLE table_60999 ("Semi-closed initial unstressed vowels" TEXT, "17th c." TEXT, "American" TEXT, "Australian" TEXT, "Examples" TEXT)

What is the entry for the Australian sound that has a 17th century equivalent of ?
SELECT "Australian" FROM table_60999 WHERE "17th c." = 'ɐ'
SELECT "Australian" FROM "table_60999" WHERE "17th c." = 'ɐ'