Table: qb_stats
Columns: year
games
games_started
completions
attempts
completion
yards
yards_attempt
touchdowns
interceptions
rating

Question: How many touchdowns were scored in the year with a completion percentage of 56.0?
SQL: SELECT MIN("touchdowns") FROM qb_stats WHERE "completion" = '56.0'

Question: What number of completions are recorded for the year with 12 games started?
SQL: SELECT "completions" FROM qb_stats WHERE "games_started" = 12

Question: How many years were there with 348 attempts?
SQL: SELECT COUNT("yards") FROM qb_stats WHERE "attempts" = 348