ECO B37: Sicilian Defense

ECO B37 is part of volume B — Semi-Open Games. The Lichess chess-openings dataset files 2 named lines under it. The shortest is Sicilian Defense: Accelerated Dragon, Maróczy Bind: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7.

That position has come up in 1,527,279 Lichess games between players rated 1600 to 2500: White won 50.2%, 6.9% were drawn and Black won 42.8%.