Table: bavarian_locomotives
Columns: class
number_s
drg_number_s
quantity
year_s_of_manufacture
type

Question: What is the average quantity that has 1104 as the number(s)?
SQL: SELECT AVG("quantity") FROM bavarian_locomotives WHERE "number_s" = '1104'

Question: What class has 99 201 as the DRG Number(s)?
SQL: SELECT "class" FROM bavarian_locomotives WHERE "drg_number_s" = '99 201'

Question: What type has 5 as the quantity?
SQL: SELECT "type" FROM bavarian_locomotives WHERE "quantity" = 5