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_28748 ( "Song title" text, "Artist" text, "Year Year of songs original release, as listed in Rock Band 3" real, "Genre" text, "Keyboard support" text, "Vocal parts" real, "Nintendo DS setlist" text )

### Question ###
How many vocal parts are there when the year of songs original release date as listed in rock band 3 was 2000?

### Accurate SQL ###

SELECT MIN("Vocal parts") FROM table_28748 WHERE "Year Year of songs original release, as listed in Rock Band 3" = '2000'