CREATE TABLE table_12461 ("year" CLOB, "opus" CLOB, "town" CLOB, "kind" CLOB, "manuals" CLOB, "stops" CLOB)

What town has 15 stops and a NB kind?
SELECT "town" FROM table_12461 WHERE "stops" = '15' AND "kind" = 'nb'
SELECT "town" FROM "table_12461" WHERE "kind" = 'nb' AND "stops" = '15'