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_28754 ( "Episode number (Production number)" text, "Title" text, "Original air date" text, "Total viewers on FX" text, "Total viewers on FX+" text, "Total viewers" text, "Rank on channel" text )

### Question ###
Name the rank on channel for january 21, 2011

### Accurate SQL ###

SELECT "Rank on channel" FROM table_28754 WHERE "Original air date" = 'January 21, 2011'