Question: What is the Speed when Construction begun in 2010, and an Expected start of revenue services of 2015?
SQL: SELECT "Speed" FROM "2-14227171-10" WHERE "Construction begun" = '2010' AND "Expected start of revenue services" = 2015.0;

Question: What is the length when the expected start of revenue is more than 2017?
SQL: SELECT "Length" FROM "2-14227171-10" WHERE "Expected start of revenue services" > 2017.0;