CREATE TABLE table_18306 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What year was incumbent phil crane first elected?
SELECT "First elected" FROM table_18306 WHERE "Incumbent" = 'Phil Crane'
SELECT "First elected" FROM "table_18306" WHERE "Incumbent" = 'Phil Crane'