CREATE TABLE table_755 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

In what year was Phil J. Welch first elected?
SELECT "First elected" FROM table_755 WHERE "Incumbent" = 'Phil J. Welch'
SELECT "First elected" FROM "table_755" WHERE "Incumbent" = 'Phil J. Welch'