Question: What date has a Position of Back, later than 1964, and a Test debut of 1st RL Test v New Zealand?
SQL: SELECT "Date" FROM "2-18860278-1" WHERE "Position" = 'Back' AND "Year" > 1964.0 AND "Test debut" = '1st RL Test v New Zealand';

Question: What is the position earlier than 1907, with a cross-code debut of Inaugural RL Test v New Zealand, and a test debut of Inaugural RU Test v New Zealand?
SQL: SELECT "Position" FROM "2-18860278-1" WHERE "Year" < 1907.0 AND "Cross-code debut" = 'Inaugural RL Test v New Zealand' AND "Test debut" = 'Inaugural RU Test v New Zealand';

Question: What is the cross-code debut later than 1958 for Dick Thornett?
SQL: SELECT "Cross-code debut" FROM "2-18860278-1" WHERE "Year" > 1958.0 AND "Player" = 'Dick Thornett';

Question: What position has a Cross-code debut of 1st RU Test v Ireland?
SQL: SELECT "Position" FROM "2-18860278-1" WHERE "Cross-code debut" = '1st RU Test v Ireland';