CREATE TABLE table_776 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "Elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

What is the party for richard j. welch?
SELECT "Party" FROM table_776 WHERE "Incumbent" = 'Richard J. Welch'
SELECT "Party" FROM "table_776" WHERE "Incumbent" = 'Richard J. Welch'