Which Country has a Score of 70-68-70-68=276?
CREATE TABLE table_74931 (
    "Year" real,
    "Dates" text,
    "Champion" text,
    "Country" text,
    "Score" text,
    "To par" text,
    "Margin of victory" text,
    "Purse ( US$ )" real,
    "Winner's share" real
)
SELECT "Country" FROM table_74931 WHERE "Score" = '70-68-70-68=276'
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 Country has a Score of 70-68-70-68=276? ### Input: CREATE TABLE table_74931 (
    "Year" real,
    "Dates" text,
    "Champion" text,
    "Country" text,
    "Score" text,
    "To par" text,
    "Margin of victory" text,
    "Purse ( US$ )" real,
    "Winner's share" real
) ### Response: SELECT "Country" FROM table_74931 WHERE "Score" = '70-68-70-68=276'