What's the Proto-Germanic when the Old English is /d/?
CREATE TABLE table_name_3 (proto_germanic VARCHAR, old_english VARCHAR)
SELECT proto_germanic FROM table_name_3 WHERE old_english = "/d/"
### Context: CREATE TABLE table_name_3 (proto_germanic VARCHAR, old_english VARCHAR) ### Question: What's the Proto-Germanic when the Old English is /d/? ### Answer: SELECT proto_germanic FROM table_name_3 WHERE old_english = "/d/"