CREATE TABLE table_40985 ("Class" FLOAT, "Date" CLOB, "Builder" CLOB, "No. built" FLOAT, "1919 nos." CLOB, "LMS Class" CLOB, "LMS nos." CLOB)

In 1879-81 with number built 4, what is the LMS nos?
SELECT "LMS nos." FROM table_40985 WHERE "Date" = '1879-81' AND "No. built" = '4'
SELECT "LMS nos." FROM "table_40985" WHERE "Date" = '1879-81' AND "No. built" = '4'