CREATE TABLE table_48529 ("Class" CLOB, "Part 1" CLOB, "Part 2" CLOB, "Part 3" CLOB, "Part 4" CLOB)

What is Class, when Part 2 is 'bl tu'?
SELECT "Class" FROM table_48529 WHERE "Part 3" = 'blétu'
SELECT "Class" FROM "table_48529" WHERE "Part 3" = 'blétu'