CREATE TABLE table_35246 ("Distance" TEXT, "Event" TEXT, "Record" TEXT, "Nationality" TEXT, "Year" FLOAT, "Location" TEXT)

Which nationality's distance was 500m before 2012, when the record was 1:37.071s?
SELECT "Nationality" FROM table_35246 WHERE "Distance" = '500m' AND "Year" < '2012' AND "Record" = '1:37.071s'
SELECT "Nationality" FROM "table_35246" WHERE "Distance" = '500m' AND "Record" = '1:37.071s' AND "Year" < '2012'