CREATE TABLE table_18252 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

what's district with candidates being curt weldon (r) 61.3% bill spingler (d) 38.7%
SELECT "District" FROM table_18252 WHERE "Candidates" = 'Curt Weldon (R) 61.3% Bill Spingler (D) 38.7%'
SELECT "District" FROM "table_18252" WHERE "Candidates" = 'Curt Weldon (R) 61.3% Bill Spingler (D) 38.7%'