Table: railway_vehicles_2
Columns: number
builder
type
date
works_number

Question: What is the Works Number that has a Number of 153 in 1916?
SQL: SELECT "works_number" FROM railway_vehicles_2 WHERE "date" = '1916' AND "number" = '153'

Question: On what Date was the Works Number 7?
SQL: SELECT "date" FROM railway_vehicles_2 WHERE "works_number" = '7'

Question: Which Builder has a Works Number of 16272?
SQL: SELECT "builder" FROM railway_vehicles_2 WHERE "works_number" = '16272'

Question: On what Date was the Works Number 12?
SQL: SELECT "date" FROM railway_vehicles_2 WHERE "works_number" = '12'