Question: what is the party when the incumbent is Sidney R. Yates?
SQL: SELECT "Party" FROM "1-1341718-14" WHERE "Incumbent" = 'Sidney R. Yates';

Question: what was the year first elected for district Illinois 7?
SQL: SELECT MAX("First elected") FROM "1-1341718-14" WHERE "District" = 'Illinois 7';

Question: how many times was the candidates Phil Crane (R) 58.0% Edward A. Warman (D) 42.0%?
SQL: SELECT COUNT("Incumbent") FROM "1-1341718-14" WHERE "Candidates" = 'Phil Crane (R) 58.0% Edward A. Warman (D) 42.0%';

Question: how many times was it the district Illinois 18?
SQL: SELECT COUNT("Candidates") FROM "1-1341718-14" WHERE "District" = 'Illinois 18';

Question: who were the candidates when the incumbent was Ed Derwinski?
SQL: SELECT "Candidates" FROM "1-1341718-14" WHERE "Incumbent" = 'Ed Derwinski';

Question: When was the first elected when the party was Republican and the candidate were Robert H. Michel (R) 66.1% Rosa Lee Fox (D) 33.9%?
SQL: SELECT MIN("First elected") FROM "1-1341718-14" WHERE "Party" = 'Republican' AND "Candidates" = 'Robert H. Michel (R) 66.1% Rosa Lee Fox (D) 33.9%';