CREATE TABLE table_name_91 (conversions INT, team VARCHAR, tries VARCHAR)

What is the average number of conversions for the Cardiff Blues with less than 14 tries?
SELECT AVG(conversions) FROM table_name_91 WHERE team = "cardiff blues" AND tries < 14
SELECT AVG("conversions") FROM "table_name_91" WHERE "cardiff blues" = "team" AND "tries" < 14