Question: How many rounds did Satrio Hermanto go with an OPC-Challenge engine?
SQL: SELECT "Rounds" FROM "2-17811141-1" WHERE "Engine" = 'OPC-Challenge' AND "Driver" = 'Satrio Hermanto';

Question: How many rounds did Frédéric Vervisch go?
SQL: SELECT "Rounds" FROM "2-17811141-1" WHERE "Driver" = 'Frédéric Vervisch';

Question: How many rounds did Shirley van der Lof go?
SQL: SELECT "Rounds" FROM "2-17811141-1" WHERE "Driver" = 'Shirley van der Lof';

Question: What C Class engine did Philipp Eng and team HS Technik Motorsport use?
SQL: SELECT "Engine" FROM "2-17811141-1" WHERE "Class" = 'C' AND "Team" = 'HS Technik Motorsport' AND "Driver" = 'Philipp Eng';

Question: What is the chassis of Rahel Frey's Volkswagen engine?
SQL: SELECT "Chassis" FROM "2-17811141-1" WHERE "Engine" = 'Volkswagen' AND "Driver" = 'Rahel Frey';