SELECT T2.feature_type_name FROM Other_Available_Features AS T1 JOIN Ref_Feature_Types AS T2 ON T1.feature_type_code  =  T2.feature_type_code WHERE T1.feature_name  =  "AirCon"
What is the feature type name of feature AirCon?
CREATE TABLE `Ref_Feature_Types` (
`feature_type_code` VARCHAR(20) PRIMARY KEY,
`feature_type_name` VARCHAR(80)
);
CREATE TABLE `Ref_Property_Types` (
`property_type_code` VARCHAR(20) PRIMARY KEY,
`property_type_description` VARCHAR(80)
);
CREATE TABLE `Other_Available_Features` (
`feature_id` INTEGER PRIMARY KEY,
`feature_type_code` VARCHAR(20) NOT NULL,
`feature_name` VARCHAR(80),
`feature_description` VARCHAR(80),
FOREIGN KEY (`feature_type_code` ) REFERENCES `Ref_Feature_Types`(`feature_type_code` )
);
CREATE TABLE `Properties` (
`property_id` INTEGER PRIMARY KEY,
`property_type_code` VARCHAR(20) NOT NULL,
`date_on_market` DATETIME,
`date_sold` DATETIME,
`property_name` VARCHAR(80),
`property_address` VARCHAR(255),
`room_count` INTEGER,
`vendor_requested_price` DECIMAL(19,4),
`buyer_offered_price` DECIMAL(19,4),
`agreed_selling_price` DECIMAL(19,4),
`apt_feature_1` VARCHAR(255),
`apt_feature_2` VARCHAR(255),
`apt_feature_3` VARCHAR(255),
`fld_feature_1` VARCHAR(255),
`fld_feature_2` VARCHAR(255),
`fld_feature_3` VARCHAR(255),
`hse_feature_1` VARCHAR(255),
`hse_feature_2` VARCHAR(255),
`hse_feature_3` VARCHAR(255),
`oth_feature_1` VARCHAR(255),
`oth_feature_2` VARCHAR(255),
`oth_feature_3` VARCHAR(255),
`shp_feature_1` VARCHAR(255),
`shp_feature_2` VARCHAR(255),
`shp_feature_3` VARCHAR(255),
`other_property_details` VARCHAR(255),
FOREIGN KEY (`property_type_code` ) REFERENCES `Ref_Property_Types`(`property_type_code` )
);
CREATE TABLE `Other_Property_Features` (
`property_id` INTEGER NOT NULL,
`feature_id` INTEGER NOT NULL,
`property_feature_description` VARCHAR(80),
FOREIGN KEY (`feature_id` ) REFERENCES `Other_Available_Features`(`feature_id` ),
FOREIGN KEY (`property_id` ) REFERENCES `Properties`(`property_id` )
);
INSERT INTO Ref_Feature_Types (`feature_type_code`, `feature_type_name`) VALUES ('Amenity', 'Amenity, eg Pool.')
INSERT INTO Ref_Property_Types (`property_type_code`, `property_type_description`) VALUES ('House', 'House, Bungalow, etc.')
INSERT INTO Other_Available_Features (`feature_id`, `feature_type_code`, `feature_name`, `feature_description`) VALUES (2, 'Amenity', 'AirCon', 'Air Conditioning.')
INSERT INTO Properties (`property_id`, `property_type_code`, `date_on_market`, `date_sold`, `property_name`, `property_address`, `room_count`, `vendor_requested_price`, `buyer_offered_price`, `agreed_selling_price`, `apt_feature_1`, `apt_feature_2`, `apt_feature_3`, `fld_feature_1`, `fld_feature_2`, `fld_feature_3`, `hse_feature_1`, `hse_feature_2`, `hse_feature_3`, `oth_feature_1`, `oth_feature_2`, `oth_feature_3`, `shp_feature_1`, `shp_feature_2`, `shp_feature_3`, `other_property_details`) VALUES (1, 'House', '1991-06-21 23:52:10', '1979-05-13 16:58:06', 'park', '4745 Emerson Stravenue Suite 829
INSERT INTO Other_Property_Features (`property_id`, `feature_id`, `property_feature_description`) VALUES (15, 3, 'dolorem')