CREATE TABLE table_name_23 (average INT, tally VARCHAR, total VARCHAR)

Which Average has a Tally of 2-12, and a Total larger than 18?
SELECT AVG(average) FROM table_name_23 WHERE tally = "2-12" AND total > 18
SELECT AVG("average") FROM "table_name_23" WHERE "2-12" = "tally" AND "total" > 18