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_name_15 (number_1971 INTEGER)

### Question ###
What is the lowest 1971 number of the Macedonian population with a 2002 value greater than 133 and a 1991 value less than 171?

### Accurate SQL ###

SELECT MIN(number_1971) FROM table_name_15 WHERE 2002 > 133 AND 1991 < 171