Table: dept_loco_history
Columns: number
previous_number_s
previous_class
converted
use
withdrawn
disposal

Question: What is the smallest converted value at number 19?
SQL: SELECT MIN("converted") FROM dept_loco_history WHERE "number" = '19'

Question: What is every previous class when the previous number is 61323?
SQL: SELECT "previous_class" FROM dept_loco_history WHERE "previous_number_s" = 61323

Question: What is every use for number 1?
SQL: SELECT "use" FROM dept_loco_history WHERE "number" = '1'