CREATE TABLE table_name_51 (original_nfl_team VARCHAR2, college VARCHAR2, pos VARCHAR2)

What is the original NFL team of the College of Oregon DT Player?
SELECT original_nfl_team FROM table_name_51 WHERE college = "oregon" AND pos = "dt"
SELECT "original_nfl_team" FROM "table_name_51" WHERE "college" = "oregon" AND "dt" = "pos"