Question: When did the reactor that has a rated power of 945 MW and ended construction on May 10, 1978 close?
SQL: SELECT "Close of reactor" FROM "2-12576299-1" WHERE "Rated Power" = '945 MW' AND "Finish construction" = 'May 10, 1978';

Question: What is the rated power for the reactor that ended construction on May 10, 1978?
SQL: SELECT "Rated Power" FROM "2-12576299-1" WHERE "Finish construction" = 'May 10, 1978';