What's the model designation of the model with GVW of 2828/2.78 kg/ton and axle ratio of 9/47?
CREATE TABLE table_20866024_3 (model_designation VARCHAR, gvw__kg_ton_ VARCHAR, axle_ratio VARCHAR)
SELECT model_designation FROM table_20866024_3 WHERE gvw__kg_ton_ = "2828/2.78" AND axle_ratio = "9/47"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20866024_3 (model_designation VARCHAR, gvw__kg_ton_ VARCHAR, axle_ratio VARCHAR) Question: What's the model designation of the model with GVW of 2828/2.78 kg/ton and axle ratio of 9/47? [/INST] SELECT model_designation FROM table_20866024_3 WHERE gvw__kg_ton_ = "2828/2.78" AND axle_ratio = "9/47" </s>