CREATE TABLE table_53325 ("Unit" CLOB, "Reactor Type" CLOB, "Net Capacity" CLOB, "Gross Capacity" CLOB, "Construction Start" CLOB, "Grid Connection" CLOB, "Commercial Operation" CLOB, "Status" CLOB)

When was commercial operation where construction started June 10, 1971?
SELECT "Commercial Operation" FROM table_53325 WHERE "Construction Start" = 'june 10, 1971'
SELECT "Commercial Operation" FROM "table_53325" WHERE "Construction Start" = 'june 10, 1971'