Question: Which Reactortype has a gross capacity of 417 MW and an Electricity Grid of 27.12.1971?
SQL: SELECT "Reactortype" FROM "2-12805568-1" WHERE "Gross capacity" = '417 MW' AND "Electricity Grid" = '27.12.1971';

Question: Which Unit's Construction started on 01.07.1967?
SQL: SELECT "Unit" FROM "2-12805568-1" WHERE "Construction started" = '01.07.1967';

Question: Which Commercial Operation has both a Gross Capacity of 417 MW and an Electricity Grid 27.12.1971?
SQL: SELECT "Commercial Operation" FROM "2-12805568-1" WHERE "Gross capacity" = '417 MW' AND "Electricity Grid" = '27.12.1971';

Question: When did the Electricity Grid 28.12.1972 officially shutdown?
SQL: SELECT "Shutdown" FROM "2-12805568-1" WHERE "Electricity Grid" = '28.12.1972';

Question: Which Electricity Grid started its Commercial Operation of 24.03.1973?
SQL: SELECT "Electricity Grid" FROM "2-12805568-1" WHERE "Commercial Operation" = '24.03.1973';