Table: aston_villa_u21s
Columns: player
position
first_team_appearances
first_team_goals
current_club

Question: What is the position of the player who has ongoing first-team goals and currently plays for the Aston Villa club?
SQL: SELECT "position" FROM aston_villa_u21s WHERE "first_team_goals" = 'ongoing' AND "current_club" = 'aston villa'

Question: Who is the player who has had 7 first team appearances?
SQL: SELECT "player" FROM aston_villa_u21s WHERE "first_team_appearances" = '7'

Question: What is the name of the club that has ongoing first-team appearances, a midfielder, and whose player is Samir Carruthers?
SQL: SELECT "current_club" FROM aston_villa_u21s WHERE "first_team_appearances" = 'ongoing' AND "position" = 'midfielder' AND "player" = 'samir carruthers'

Question: How many first-team goals does the team have whose player is Samir Carruthers?
SQL: SELECT "first_team_goals" FROM aston_villa_u21s WHERE "player" = 'samir carruthers'

Question: What position has ongoing first-team appearances, Graham Burke for a player, and whose club is Aston Villa?
SQL: SELECT "position" FROM aston_villa_u21s WHERE "first_team_appearances" = 'ongoing' AND "current_club" = 'aston villa' AND "player" = 'graham burke'

Question: Which position has had 7 first-team appearances?
SQL: SELECT "position" FROM aston_villa_u21s WHERE "first_team_appearances" = '7'