CREATE TABLE table_72437 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

What political party for burton e. sweet?
SELECT "Party" FROM table_72437 WHERE "Incumbent" = 'Burton E. Sweet'
SELECT "Party" FROM "table_72437" WHERE "Incumbent" = 'Burton E. Sweet'