question: What's the average annual interchange for a rank over 26 in liverpool with an annual entry/exit less than 14.209 and more than 10 platforms?
answer: SELECT AVG(annual_interchanges__millions__2011_12) FROM table_name_28 WHERE rank > 26 AND location = "liverpool" AND annual_entry_exit__millions__2011_12 < 14.209 AND number_of_platforms > 10
context: CREATE TABLE table_name_28 (annual_interchanges__millions__2011_12 INTEGER, number_of_platforms VARCHAR, annual_entry_exit__millions__2011_12 VARCHAR, rank VARCHAR, location VARCHAR)