Question: Which Time/Retired has Laps smaller than 100, and Points larger than 0?
SQL: SELECT "Time/Retired" FROM "2-18899550-2" WHERE "Laps" < 100.0 AND "Points" > 0.0;

Question: Which Laps have a Time/Retired of + 4 laps, and a Grid larger than 18?
SQL: SELECT AVG("Laps") FROM "2-18899550-2" WHERE "Time/Retired" = '+ 4 laps' AND "Grid" > 18.0;

Question: Which Team has Laps of 100, and a Time/Retired of +8.6 secs?
SQL: SELECT "Team" FROM "2-18899550-2" WHERE "Laps" = 100.0 AND "Time/Retired" = '+8.6 secs';