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_199666_1 ( process_technology VARCHAR, wireless_lan VARCHAR )

### Question ###
What's the process technology of the Intel WiFi Link 5100 wireless LAN?

### Accurate SQL ###

SELECT process_technology FROM table_199666_1 WHERE wireless_lan = "Intel WiFi Link 5100"