CREATE TABLE table_35220 ("Constituency" TEXT, "Electorate" FLOAT, "Turnout" TEXT, "Spoilt" TEXT, "Valid Poll" FLOAT, "Quota" TEXT, "Seats" FLOAT, "Candidates" FLOAT)

Name the average valid poll for seats less than 3
SELECT AVG("Valid Poll") FROM table_35220 WHERE "Seats" < '3'
SELECT AVG("Valid Poll") FROM "table_35220" WHERE "Seats" < '3'