Table: golfer_stats_5
Columns: date
tournament
winning_score
margin_of_victory
runner_s_up

Question: What was the margin of victory at the Texas International Open?
SQL: SELECT "margin_of_victory" FROM golfer_stats_5 WHERE "tournament" = 'texas international open'

Question: What was the margin of victory in the tournament with a winning score of −3 (74-68-72-71=285)?
SQL: SELECT "margin_of_victory" FROM golfer_stats_5 WHERE "winning_score" = '−3 (74-68-72-71=285)'