Question: What were the average partial failures when the rocket was Ariane 5?
SQL: SELECT AVG("Partial failures") FROM "2-13894411-7" WHERE "Rocket" = 'Ariane 5';

Question: What are average launches with 0 failures, rocket of soyuz, and less than 12 successes?
SQL: SELECT AVG("Launches") FROM "2-13894411-7" WHERE "Failures" = 0.0 AND "Rocket" = 'soyuz' AND "Successes" < 12.0;

Question: What is the sum of launches with long march 3 and 0 failures?
SQL: SELECT SUM("Launches") FROM "2-13894411-7" WHERE "Rocket" = 'long march 3' AND "Failures" > 0.0;

Question: What is the least amount of failures with 1 launch and 0 partial failures?
SQL: SELECT MIN("Failures") FROM "2-13894411-7" WHERE "Launches" = 1.0 AND "Partial failures" < 0.0;

Question: What were the average launches for ariane 5 and 0 partial failures?
SQL: SELECT AVG("Launches") FROM "2-13894411-7" WHERE "Rocket" = 'ariane 5' AND "Partial failures" < 0.0;