how many times has christel boeljon had a top-10 finish in the ladies european tour ?
CREATE TABLE table_204_940 (
    id number,
    "year" number,
    "tournaments\nplayed" number,
    "cuts\nmade" number,
    "wins" number,
    "2nd" number,
    "3rd" number,
    "top 10s" number,
    "best\nfinish" text,
    "earnings\n(\u20ac)" number,
    "money\nlist rank" number,
    "scoring\naverage" number,
    "scoring\nrank" number,
    "rolex\nranking" number
)
SELECT SUM("top 10s") FROM table_204_940
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 times has christel boeljon had a top-10 finish in the ladies european tour ? ### Input: CREATE TABLE table_204_940 (
    id number,
    "year" number,
    "tournaments\nplayed" number,
    "cuts\nmade" number,
    "wins" number,
    "2nd" number,
    "3rd" number,
    "top 10s" number,
    "best\nfinish" text,
    "earnings\n(\u20ac)" number,
    "money\nlist rank" number,
    "scoring\naverage" number,
    "scoring\nrank" number,
    "rolex\nranking" number
) ### Response: SELECT SUM("top 10s") FROM table_204_940