user: Question: What is the quantity preserved for fleet number(s) 3000–3015?
Columns: ['Class', 'Wheel arrangement', 'Fleet number(s)', 'Manufacturer', 'Serial numbers', 'Year made', 'Quantity made', 'Quantity preserved']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Mallet and Simple Articulated Locomotives', 'Mallet and Simple Articulated Locomotives', 'Mallet and Simple Articulated Locomotives', 'Mallet and Simple Articulated Locomotives', 'Mallet and Simple Articulated Locomotives', 'Mallet and Simple Articulated Locomotives', 'Mallet and Simple Articulated Locomotives', 'Mallet and Simple Articulated Locomotives']
SQL:

assistant: SELECT "Quantity preserved" FROM "Table" WHERE "Fleet number(s)" = '3000–3015';