Table: football_season_stats_3
Columns: squad_no
name
position
league_apps
league_goals
fa_cup_apps
fa_cup_goals
league_cup_apps
league_cup_goals
flt_apps
flt_goals
total_apps
total_goals

Question: WHAT IS THE AVERAGE SQUAD NUMBER WITH MARTIN SMITH, AND LEAGUE GOALS LESS THAN 17?
SQL: SELECT AVG("squad_no") FROM football_season_stats_3 WHERE "name" = 'martin smith' AND "league_goals" < 17