CREATE TABLE table_18738 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What was the net seat gain in the race john a. elston (r) 88.4% luella twining (s) 11.6%?
SELECT "Result" FROM table_18738 WHERE "Candidates" = 'John A. Elston (R) 88.4% Luella Twining (S) 11.6%'
SELECT "Result" FROM "table_18738" WHERE "Candidates" = 'John A. Elston (R) 88.4% Luella Twining (S) 11.6%'