CREATE TABLE table_18515 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What is the candidates result that is tom j. murray (d) unopposed?
SELECT "Result" FROM table_18515 WHERE "Candidates" = 'Tom J. Murray (D) Unopposed'
SELECT "Result" FROM "table_18515" WHERE "Candidates" = 'Tom J. Murray (D) Unopposed'