CREATE TABLE table_name_3 (speed VARCHAR, construction_begun VARCHAR, expected_start_of_revenue_services VARCHAR)

What is the Speed when Construction begun in 2010, and an Expected start of revenue services of 2015?
SELECT speed FROM table_name_3 WHERE construction_begun = "2010" AND expected_start_of_revenue_services = 2015
SELECT "speed" FROM "table_name_3" WHERE "2010" = "construction_begun" AND "expected_start_of_revenue_services" = 2015