ECO B39: Sicilian Defense
ECO B39 is part of volume B — Semi-Open Games.
The Lichess chess-openings dataset files one named line under it.
It is Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation:
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4.
That position has come up in 144,703 Lichess games between players rated 1600 to 2500: White won 44.0%, 9.2% were drawn and Black won 46.8%.