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_75127 ( "Year" real, "Chart" text, "Track" text, "Peak" real, "Weeks on Chart" real )

### Question ###
Name the least weeks for year less than 2000

### Accurate SQL ###

SELECT MIN("Weeks on Chart") FROM table_75127 WHERE "Year" < '2000'