Question: What is the most recent year of disaffiliation of a chch-tv station that affiliated after 2001?
SQL: SELECT MAX("Year of disaffiliation") FROM "2-10879231-1" WHERE "Station" = 'chch-tv' AND "Year of affiliation" > 2001.0;

Question: What is the earliest year of disaffiliation of a CHCH-TV station, licensed in Hamilton, Ontario?
SQL: SELECT MIN("Year of disaffiliation") FROM "2-10879231-1" WHERE "City of license/market" = 'Hamilton, Ontario';