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_17814458_1 ( capacity_in_persons_hour INTEGER, construction_year_s_ VARCHAR )

### Question ###
Name the least capacity for persons hour for 1983

### Accurate SQL ###

SELECT MIN(capacity_in_persons_hour) FROM table_17814458_1 WHERE construction_year_s_ = "1983"