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_90 (west_germanic VARCHAR, german VARCHAR)
### Question:
What's the West Germanic when the German is /s/ or /ts/?
### Answer:
SELECT west_germanic FROM table_name_90 WHERE german = "/s/ or /ts/"