How many branches have radio electrical=hon s lt(r)?
CREATE TABLE table_18775 (
    "Serial & Branch" real,
    "Seaman" text,
    "Mechanical" text,
    "Secretariat" text,
    "Supply" text,
    "Electrical" text,
    "Radio Electrical" text,
    "Regulating" text,
    "Medical" text
)
SELECT COUNT("Serial & Branch") FROM table_18775 WHERE "Radio Electrical" = 'Hon S Lt(R)'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many branches have radio electrical=hon s lt(r)? ### Input: CREATE TABLE table_18775 (
    "Serial & Branch" real,
    "Seaman" text,
    "Mechanical" text,
    "Secretariat" text,
    "Supply" text,
    "Electrical" text,
    "Radio Electrical" text,
    "Regulating" text,
    "Medical" text
) ### Response: SELECT COUNT("Serial & Branch") FROM table_18775 WHERE "Radio Electrical" = 'Hon S Lt(R)'