ECO B55: Sicilian Defense
ECO B55 is part of volume B — Semi-Open Games.
The Lichess chess-openings dataset files one named line under it.
It is Sicilian Defense: Prins Variation, Venice Attack:
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+.
That position has come up in 26,453 Lichess games between players rated 1600 to 2500: White won 55.3%, 8.2% were drawn and Black won 36.5%.