Table: rugby_internationals
Columns: player
test_debut
year
cross_code_debut
date
position

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 rugby_internationals WHERE "position" = 'back' AND "year" > 1964 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 rugby_internationals WHERE "year" < 1907 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 rugby_internationals WHERE "year" > 1958 AND "player" = 'dick thornett'

Question: What position has a Cross-code debut of 1st ru test v ireland?
SQL: SELECT "position" FROM rugby_internationals WHERE "cross_code_debut" = '1st ru test v ireland'