Question: Which of the lowest years had a Wheel arrangement that was 0-4-2T?
SQL: SELECT MIN("Year made") FROM "2-1169552-20" WHERE "Wheel arrangement" = '0-4-2T';

Question: What is the mean Year when the IWCR number was 5 and the Year withdrawn was bigger than 1926?
SQL: SELECT AVG("Year made") FROM "2-1169552-20" WHERE "IWCR No." = '5' AND "Year withdrawn" > 1926.0;

Question: Which SR number had a wheel arrangement of 0-6-0T, the year made was more recent than 1874, and the year withdrawn was 1963?
SQL: SELECT "SR No." FROM "2-1169552-20" WHERE "Wheel arrangement" = '0-6-0T' AND "Year made" > 1874.0 AND "Year withdrawn" = 1963.0;

Question: What is the sum number of years where the wheel arrangement of 0-4-0t?
SQL: SELECT COUNT("Year made") FROM "2-1169552-20" WHERE "Wheel arrangement" = '0-4-0t';