I want to know the sum of fa cup goals for david mirfin and total goals less than 1
CREATE TABLE table_51509 (
    "Squad No." real,
    "Name" text,
    "Position" text,
    "League Apps" text,
    "League Goals" real,
    "FA Cup Apps" text,
    "FA Cup Goals" real,
    "League Cup Apps" text,
    "League Cup Goals" real,
    "FLT Apps" text,
    "FLT Goals" real,
    "Total Apps" text,
    "Total Goals" real
)
SELECT SUM("FA Cup Goals") FROM table_51509 WHERE "Name" = 'david mirfin' AND "Total Goals" < '1'
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: I want to know the sum of fa cup goals for david mirfin and total goals less than 1 ### Input: CREATE TABLE table_51509 (
    "Squad No." real,
    "Name" text,
    "Position" text,
    "League Apps" text,
    "League Goals" real,
    "FA Cup Apps" text,
    "FA Cup Goals" real,
    "League Cup Apps" text,
    "League Cup Goals" real,
    "FLT Apps" text,
    "FLT Goals" real,
    "Total Apps" text,
    "Total Goals" real
) ### Response: SELECT SUM("FA Cup Goals") FROM table_51509 WHERE "Name" = 'david mirfin' AND "Total Goals" < '1'