What was the model for PRR class of gf28a freight?
CREATE TABLE table_54802 (
    "PRR Class" text,
    "Builder\u2019s Model" text,
    "Build date" text,
    "Total produced" real,
    "Wheel arrangement" text,
    "Service" text,
    "Power output" text
)
SELECT "Builder\u2019s Model" FROM table_54802 WHERE "Service" = 'freight' AND "PRR Class" = 'gf28a'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What was the model for PRR class of gf28a freight? ### Input: CREATE TABLE table_54802 (
    "PRR Class" text,
    "Builder\u2019s Model" text,
    "Build date" text,
    "Total produced" real,
    "Wheel arrangement" text,
    "Service" text,
    "Power output" text
) ### Response: SELECT "Builder\u2019s Model" FROM table_54802 WHERE "Service" = 'freight' AND "PRR Class" = 'gf28a'