What's the callsign in Tacloban?
CREATE TABLE table_43557 (
    "Branding" text,
    "Callsign" text,
    "Frequency" text,
    "Power (kW)" text,
    "Location" text
)
SELECT "Callsign" FROM table_43557 WHERE "Location" = 'tacloban'
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: What's the callsign in Tacloban? ### Input: CREATE TABLE table_43557 (
    "Branding" text,
    "Callsign" text,
    "Frequency" text,
    "Power (kW)" text,
    "Location" text
) ### Response: SELECT "Callsign" FROM table_43557 WHERE "Location" = 'tacloban'