Question: Are there SPI on the number 7 cylinder?
SQL: SELECT "SPI" FROM "1-16731248-1" WHERE "Number on cyl." = '7';

Question: What is the minimum number of bypass ports listed?
SQL: SELECT MIN("Bypass Ports") FROM "1-16731248-1";

Question: Is there a tapered grind on the SureStart engine?
SQL: SELECT "Tapered Grind" FROM "1-16731248-1" WHERE "Engine" = 'SureStart';

Question: How many bypass boosters are there on the engine with Slit exhaust ports and SPI is Yes?
SQL: SELECT "Bypass Boosters" FROM "1-16731248-1" WHERE "SPI" = 'Yes' AND "Exhaust Ports" = 'Slit';