question: What is the lowest land in sq mi with a longitude of -99.172785 and less than 0.973 sq mi of water?
answer: SELECT MIN(land___sqmi__) FROM table_name_27 WHERE longitude = -99.172785 AND water__sqmi_ < 0.973
context: CREATE TABLE table_name_27 (land___sqmi__ INTEGER, longitude VARCHAR, water__sqmi_ VARCHAR)