CREATE TABLE "table1_1342233_6" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "result" text,
  "candidates" text
);

Question:  how many result with candidates being richard j. welch (r) unopposed
SQL: SELECT COUNT("result") FROM "table1_1342233_6" WHERE "candidates"='Richard J. Welch (R) Unopposed';

Question: what's the result with incumbent being jack z. anderson
SQL: SELECT "result" FROM "table1_1342233_6" WHERE "incumbent"='Jack Z. Anderson';

Question: what's the district with result being re-elected and candidates being clarence f. lea (d) unopposed
SQL: SELECT "district" FROM "table1_1342233_6" WHERE "result"='Re-elected' AND "candidates"='Clarence F. Lea (D) Unopposed';

Question: what's the first elected with incumbent being clair engle
SQL: SELECT "first_elected" FROM "table1_1342233_6" WHERE "incumbent"='Clair Engle';

Question: who is the the candidates with incumbent being alfred j. elliott
SQL: SELECT "candidates" FROM "table1_1342233_6" WHERE "incumbent"='Alfred J. Elliott';

Question: who is the the incumbent with candidates being jack z. anderson (r) unopposed
SQL: SELECT "incumbent" FROM "table1_1342233_6" WHERE "candidates"='Jack Z. Anderson (R) Unopposed';