Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_3 (total_goals INTEGER, position VARCHAR, league_apps VARCHAR, total_apps VARCHAR)
### Question:
What is the fewest total goals scored for players with under 171 league appearances, 151 total appearances, and the DF position?
### Answer:
SELECT MIN(total_goals) FROM table_name_3 WHERE league_apps < 171 AND total_apps = 151 AND position = "df"