What is on tv at 7:00 on the same channel that has Survivor: China on at 8:00?
CREATE TABLE table_67879 (
    "7:00" text,
    "7:30" text,
    "8:00" text,
    "8:30" text,
    "9:00" text,
    "9:30" text,
    "10:00" text
)
SELECT "7:00" FROM table_67879 WHERE "8:00" = 'survivor: china'
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 on tv at 7:00 on the same channel that has Survivor: China on at 8:00? ### Input: CREATE TABLE table_67879 (
    "7:00" text,
    "7:30" text,
    "8:00" text,
    "8:30" text,
    "9:00" text,
    "9:30" text,
    "10:00" text
) ### Response: SELECT "7:00" FROM table_67879 WHERE "8:00" = 'survivor: china'