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_27824 ( "Lighthouse" text, "Location" text, "Province/City" text, "Date First Lit" text, "Tower height in ft (m)" text, "Focal plane in ft (m)" text, "Current Status" text, "Current Condition/ Description" text )

### Question ###
Focal plane in ft (m) is 43ft (13.1m) is the first date lit.

### Accurate SQL ###

SELECT "Date First Lit" FROM table_27824 WHERE "Focal plane in ft (m)" = '43ft (13.1m)'