Table: rolling_stock_uk_collection_2
Columns: railway
builder
built
wheels
location
objectnumber

Question: Which Wheels has Built smaller than 1958, a Location of york, and a Railway of nsr?
SQL: SELECT "wheels" FROM rolling_stock_uk_collection_2 WHERE "built" < 1958 AND "location" = 'york' AND "railway" = 'nsr'

Question: Which Built has a Builder of brel crewe?
SQL: SELECT AVG("built") FROM rolling_stock_uk_collection_2 WHERE "builder" = 'brel crewe'

Question: Which Railway has a Location of shildon, and an ObjectNumber of 1978-7006?
SQL: SELECT "railway" FROM rolling_stock_uk_collection_2 WHERE "location" = 'shildon' AND "objectnumber" = '1978-7006'

Question: Which Railway has a Location of shildon, and an ObjectNumber of 1975-7022?
SQL: SELECT "railway" FROM rolling_stock_uk_collection_2 WHERE "location" = 'shildon' AND "objectnumber" = '1975-7022'

Question: Which Location has an ObjectNumber of 2005-7698?
SQL: SELECT "location" FROM rolling_stock_uk_collection_2 WHERE "objectnumber" = '2005-7698'