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When did Johnny Unitas start playing with the Baltimore Colts
In 1956, Johnny Unitas joined the Baltimore Colts.
What position did Johnny Unitas play for the Baltimore Colts?
Johnny Unitas was a quarterback.
How did the 1956 season fare for Johnny Unitas playing for the Baltimore Colts?
Johnny Unitas threw nine touchdown passes that year, including one in the season finale that started his record 47-game streak. His 55.6-percent completion mark was a rookie record.

Question: How did he do the following season?
Self-contained rewrite: How did Johnny Unitas do the following 1957 season?