CREATE TABLE table_56551 ("Year" TEXT, "Type" TEXT, "Nos." TEXT, "GSWR Class" FLOAT, "GSWR Nos." TEXT, "GSR Class" TEXT, "Inchicore Class" TEXT, "Withdrawn" TEXT)

What Inchicore Class has a GSR Class of 235?
SELECT "Inchicore Class" FROM table_56551 WHERE "GSR Class" = '235'
SELECT "Inchicore Class" FROM "table_56551" WHERE "GSR Class" = '235'