Table: northern_league_stats_18
Columns: position
team
played
drawn
lost
goals_for
goals_against
goal_difference
points_1

Question: What are the points 1 for the team with position less than 13 and goal difference of +16?
SQL: SELECT "points_1" FROM northern_league_stats_18 WHERE "position" < 13 AND "goal_difference" = '+16'

Question: What is the goal difference where the goals against is less than 54, goals for is greater than 51 and points 1 is 63?
SQL: SELECT "goal_difference" FROM northern_league_stats_18 WHERE "goals_against" < 54 AND "goals_for" > 51 AND "points_1" = '63'

Question: What is the number of games lost when goal difference is +13 and draws are more than 12?
SQL: SELECT COUNT("lost") FROM northern_league_stats_18 WHERE "goal_difference" = '+13' AND "drawn" > 12