CREATE TABLE table_42155 ("Season" FLOAT, "Series" CLOB, "Team" CLOB, "Races" FLOAT, "Wins" FLOAT, "Points" CLOB, "Position" CLOB)

In what Season was the Series Formula Renault 3.5 series with less than 7 Races?
SELECT SUM("Season") FROM table_42155 WHERE "Series" = 'formula renault 3.5 series' AND "Races" < '7'
SELECT SUM("Season") FROM "table_42155" WHERE "Races" < '7' AND "Series" = 'formula renault 3.5 series'