CREATE TABLE table_56552 ("Year" CLOB, "Type" CLOB, "Nos." CLOB, "GSWR Class" FLOAT, "GSWR Nos." CLOB, "GSR Class" CLOB, "Inchicore Class" CLOB, "Withdrawn" CLOB)

What Inchicore Class has a GSWR Class smaller than 268, and a Type of 0-4-2t?
SELECT "Inchicore Class" FROM table_56552 WHERE "GSWR Class" < '268' AND "Type" = '0-4-2t'
SELECT "Inchicore Class" FROM "table_56552" WHERE "GSWR Class" < '268' AND "Type" = '0-4-2t'