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_52446 ( "Year" real, "Network" text, "Lap-by-lap" text, "Color commentator(s)" text, "Pit reporters" text, "Host" text, "Ratings" text, "Viewers" text )

### Question ###
Who was the network who had Ken Squier as a host and 13.9 million viewers?

### Accurate SQL ###

SELECT "Network" FROM table_52446 WHERE "Host" = 'ken squier' AND "Viewers" = '13.9 million'