Which Built by has a Name of northern jaeger?
CREATE TABLE table_37545 (
    "Name" text,
    "Length" text,
    "Tonnage" real,
    "Built by" text,
    "Year" real,
    "Engines" text,
    "Horsepowers" real,
    "Former Names" text
)
SELECT "Built by" FROM table_37545 WHERE "Name" = 'northern jaeger'
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: Which Built by has a Name of northern jaeger? ### Input: CREATE TABLE table_37545 (
    "Name" text,
    "Length" text,
    "Tonnage" real,
    "Built by" text,
    "Year" real,
    "Engines" text,
    "Horsepowers" real,
    "Former Names" text
) ### Response: SELECT "Built by" FROM table_37545 WHERE "Name" = 'northern jaeger'