CREATE TABLE table_10002 ("Line name" CLOB, "Opened" FLOAT, "Last extension" FLOAT, "Stations served" FLOAT, "Length" CLOB, "Average Interstation" CLOB, "Journeys made  ( per annum ) " FLOAT)

What is the average opened year of line e, which had their last extension before 2003?
SELECT AVG("Opened") FROM table_10002 WHERE "Line name" = 'line e' AND "Last extension" < '2003'
SELECT AVG("Opened") FROM "table_10002" WHERE "Last extension" < '2003' AND "Line name" = 'line e'