Question: The date first lit is 1853 total number of current status.
SQL: SELECT COUNT("Current Status") FROM "1-25597136-1" WHERE "Date First Lit" = '1853';

Question: Location for focal plane in ft (m) is Naidi Hills, Basco.
SQL: SELECT "Focal plane in ft (m)" FROM "1-25597136-1" WHERE "Location" = 'Naidi Hills, Basco';

Question: Focal plane in ft (m) is 43ft (13.1m) is the first date lit.
SQL: SELECT "Date First Lit" FROM "1-25597136-1" WHERE "Focal plane in ft (m)" = '43ft (13.1m)';

Question: The province/city Corregidor Island (2) is where the lighthouse is located. 
SQL: SELECT "Province/City" FROM "1-25597136-1" WHERE "Lighthouse" = 'Corregidor Island (2)';

Question: Where tower height in ft (m) is 46ft (14.0m) the focal plane is ft (m).
SQL: SELECT "Focal plane in ft (m)" FROM "1-25597136-1" WHERE "Tower height in ft (m)" = '46ft (14.0m)';