Question: What is the lowest cr number?
SQL: SELECT MIN("CR no.") FROM "1-1886270-1";

Question: When 2/1939 is the withdrawn when was it built?
SQL: SELECT "Built" FROM "1-1886270-1" WHERE "Withdrawn" = '2/1939';

Question: When River Ness is the hr name what is the hr number?
SQL: SELECT "HR no." FROM "1-1886270-1" WHERE "HR name" = 'River Ness';

Question: When (River Garry) is the hr name how many builts are there?
SQL: SELECT COUNT("Built") FROM "1-1886270-1" WHERE "HR name" = '(River Garry)';

Question: What is the highest cr number?
SQL: SELECT MAX("CR no.") FROM "1-1886270-1";

Question: When River Ness is the hr name how many builts are there?
SQL: SELECT COUNT("Built") FROM "1-1886270-1" WHERE "HR name" = 'River Ness';