CREATE TABLE table_18135 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Results" CLOB, "Candidates" CLOB)

What year was the first election in the district whose election now was won by Ron Kind?
SELECT MIN("First elected") FROM table_18135 WHERE "Incumbent" = 'Ron Kind'
SELECT MIN("First elected") FROM "table_18135" WHERE "Incumbent" = 'Ron Kind'