CREATE TABLE table_name_25 (australian VARCHAR2, examples VARCHAR2)

What is 17th c., when Australian is 'i, , ', and when Examples is ' sophagus'?
SELECT 17 AS th_c FROM table_name_25 WHERE australian = "i, ɪ, ə" AND examples = "œsophagus"
SELECT 17 AS "th_c" FROM "table_name_25" WHERE "australian" = "i, ɪ, ə" AND "examples" = "œsophagus"