Name the object type with an NGC number more than 6638 and right ascensions being 18h25m37.8s
CREATE TABLE table_name_72 (object_type VARCHAR, ngc_number VARCHAR, right_ascension___j2000__ VARCHAR)
SELECT object_type FROM table_name_72 WHERE ngc_number > 6638 AND right_ascension___j2000__ = "18h25m37.8s"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_72 (object_type VARCHAR, ngc_number VARCHAR, right_ascension___j2000__ VARCHAR) Question: Name the object type with an NGC number more than 6638 and right ascensions being 18h25m37.8s [/INST] SELECT object_type FROM table_name_72 WHERE ngc_number > 6638 AND right_ascension___j2000__ = "18h25m37.8s" </s>