automated commit by check50 [check50=True]

7.sql

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+-- write a SQL query to count the number of players who bat (or batted) right-handed and throw (or threw) left-handed, or vice versa.
+SELECT COUNT(*) FROM "players" WHERE "bats" = "R" AND "throws" = "L" OR "bats" = "L" AND "throws" = "R";