CREATE TABLE table_26923 ("Rnd" FLOAT, "Date" CLOB, "Race Name" CLOB, "Track" CLOB, "Location" CLOB, "Pole position" CLOB, "Fastest lap" CLOB, "Most Laps Led" CLOB, "Winner" CLOB)

On what tra k was the march 19 race held?
SELECT "Track" FROM table_26923 WHERE "Date" = 'March 19'
SELECT "Track" FROM "table_26923" WHERE "Date" = 'March 19'