CREATE TABLE table_687 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What party is thomas foglietta from?
SELECT "Party" FROM table_687 WHERE "Incumbent" = 'Thomas Foglietta'
SELECT "Party" FROM "table_687" WHERE "Incumbent" = 'Thomas Foglietta'