Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_23450 ( "Wireless LAN" text, "Chipset" text, "Centrino" text, "Processor" text, "Codename" text, "Release Date" real, "Process Technology" text, "Microarchitecture" text )

### Question ###
What Wireless LAN had a process technology of 90nm and a Carmel centrino?

### Accurate SQL ###

SELECT "Wireless LAN" FROM table_23450 WHERE "Process Technology" = '90nm' AND "Centrino" = 'Carmel'