Table: race_results_7
Columns: rnd
circuit
gto_winning_team
gtu_winning_team
to_winning_team
tu_winning_team
results

Question: What was the gtu winning team when the gto winning team was #48 greenwood racing?
SQL: SELECT "gtu_winning_team" FROM race_results_7 WHERE "gto_winning_team" = '#48 Greenwood Racing'

Question: What was the to winnning team when the tu winning team was #16 2002?
SQL: SELECT "to_winning_team" FROM race_results_7 WHERE "tu_winning_team" = '#16 2002'

Question: What round was the gto winning team #48 greenwood racing?
SQL: SELECT "rnd" FROM race_results_7 WHERE "gto_winning_team" = '#48 Greenwood Racing'

Question: What was the to winning team when the tu winning team was joe amato carson baird?
SQL: SELECT "to_winning_team" FROM race_results_7 WHERE "tu_winning_team" = 'Joe Amato Carson Baird'