CREATE TABLE table_60996 ("Semi-closed initial unstressed vowels" CLOB, "17th c." CLOB, "American" CLOB, "Australian" CLOB, "Examples" CLOB)

What is the American sound that has a 17th century equivalent of ?
SELECT "American" FROM table_60996 WHERE "17th c." = 'ɔ'
SELECT "American" FROM "table_60996" WHERE "17th c." = 'ɔ'