Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_76 (initial_syllable_open_semi_open_unstressed_vowels VARCHAR)
### Question:
What is 17th c., when Initial-Syllable Open/Semi-Open Unstressed Vowels is "o /ɵ/"?
### Answer:
SELECT 17 AS th_c FROM table_name_76 WHERE initial_syllable_open_semi_open_unstressed_vowels = "o /ɵ/"