Return every name recorded for Ethanol, each with the language it belongs to. A name lives in names, one row per name, and points back at its compound through compound_id. Order by language, then by the name itself. Five rows answer this.
A beginner exercise, answered in SQL. It is marked by the rows your query returns rather than by how you wrote it, with 3 hints if you want them.
Ask the same question of a chemical dataset in SQL and in Mango and compare the two answers. The database is a SQLite file your browser downloads once and queries locally, so nothing you write ever leaves your machine — which is also why the tool needs JavaScript.