human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: D 48, D 47, D 46, D 45, D 44, D 43, D 42, D 41
###Question: Name the D 47 when it has a D 48 of d 49 and D 42 of r 42
gpt
SELECT D 47 FROM table WHERE D 48 = d 49 AND D 42 = r 42