What was the startup year for the project with apache energy/inpex as the operator?
CREATE TABLE table_5928 (
    "Country" text,
    "Project Name" text,
    "Year startup" text,
    "Operator" text,
    "Peak" text
)
SELECT "Year startup" FROM table_5928 WHERE "Operator" = 'apache energy/inpex'
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 was the startup year for the project with apache energy/inpex as the operator? ### Input: CREATE TABLE table_5928 (
    "Country" text,
    "Project Name" text,
    "Year startup" text,
    "Operator" text,
    "Peak" text
) ### Response: SELECT "Year startup" FROM table_5928 WHERE "Operator" = 'apache energy/inpex'