Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_70002 ( "Unit" text, "Reactortype" text, "Net capacity" text, "Gross capacity" text, "Construction started" text, "Electricity Grid" text, "Commercial Operation" text, "Shutdown" text )

### Question ###
Which Unit's Construction started on 01.07.1967?

### Accurate SQL ###

SELECT "Unit" FROM table_70002 WHERE "Construction started" = '01.07.1967'