CREATE TABLE table_74883 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB)

Which Incumbent has a District of California 5?
SELECT "Incumbent" FROM table_74883 WHERE "District" = 'california 5'
SELECT "Incumbent" FROM "table_74883" WHERE "District" = 'california 5'