What is the percentage of Judaism associated with Christianity at 2.51%?
CREATE TABLE table_45947 (
    "Ethnicity" text,
    "Islam" text,
    "Christianity" text,
    "Judaism" text,
    "Buddhism" text,
    "Other" text,
    "Atheism" text
)
SELECT "Judaism" FROM table_45947 WHERE "Christianity" = '2.51%'
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 is the percentage of Judaism associated with Christianity at 2.51%? ### Input: CREATE TABLE table_45947 (
    "Ethnicity" text,
    "Islam" text,
    "Christianity" text,
    "Judaism" text,
    "Buddhism" text,
    "Other" text,
    "Atheism" text
) ### Response: SELECT "Judaism" FROM table_45947 WHERE "Christianity" = '2.51%'