CREATE TABLE table_78701 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Results" CLOB)

What is re-elected Incumbent Jerry Costello's First elected date?
SELECT MIN("First elected") FROM table_78701 WHERE "Results" = 're-elected' AND "Incumbent" = 'jerry costello'
SELECT MIN("First elected") FROM "table_78701" WHERE "Incumbent" = 'jerry costello' AND "Results" = 're-elected'