CREATE TABLE table_18737 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Which district was the race between john i. nolan (r) 87% thomas f. feeley (s) 13%?
SELECT "District" FROM table_18737 WHERE "Candidates" = 'John I. Nolan (R) 87% Thomas F. Feeley (S) 13%'
SELECT "District" FROM "table_18737" WHERE "Candidates" = 'John I. Nolan (R) 87% Thomas F. Feeley (S) 13%'