question: What is the average Draws, when Goal Difference is greater than -3, when Goals Against is 30, and when Points is greater than 45?
answer: SELECT AVG(draws) FROM table_name_97 WHERE goal_difference > -3 AND goals_against = 30 AND points > 45
context: CREATE TABLE table_name_97 (draws INTEGER, points VARCHAR, goal_difference VARCHAR, goals_against VARCHAR)