CREATE TABLE table_18299 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

What district is Ray Musto the incumbent of?
SELECT "District" FROM table_18299 WHERE "Incumbent" = 'Ray Musto'
SELECT "District" FROM "table_18299" WHERE "Incumbent" = 'Ray Musto'