ECO B97: Sicilian Defense

ECO B97 is part of volume B — Semi-Open Games. The Lichess chess-openings dataset files 2 named lines under it. The shortest is Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6.

That position has come up in 172,719 Lichess games between players rated 1600 to 2500: White won 46.8%, 5.1% were drawn and Black won 48.2%.