CREATE TABLE table_18479 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

Thomas J. Lane is the incumbent of how many parties?
SELECT COUNT("Party") FROM table_18479 WHERE "Incumbent" = 'Thomas J. Lane'
SELECT COUNT("Party") FROM "table_18479" WHERE "Incumbent" = 'Thomas J. Lane'