what is the difference in the total points for the club biarritz olympique and su agen?
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col : club | played | won | drawn | lost | points for | points against | bonus points | points row 1 : biarritz olympique | 26 | 19 |  | 7 | 694 | 350 | 14 | 90 row 2 : stade français | 26 | 19 |  | 7 | 633 | 437 | 13 | 89 row 3 : stade toulousain | 26 | 19 |  | 7 | 713 | 427 | 12 | 88 row 4 : usa perpignan | 26 | 18 |  | 8 | 671 | 398 | 12 | 84 row 5 : su agen | 26 | 15 |  | 11 | 655 | 540 | 10 | 70 row 6 : cs bourgoin-jallieu | 26 | 14 |  | 12 | 591 | 516 | 11 | 67 row 7 : castres olympique | 26 | 13 |  | 13 | 685 | 559 | 14 | 66 row 8 : asm clermont | 26 | 14 |  | 12 | 577 | 569 | 7 | 63 row 9 : ca brive | 26 | 10 | 1 | 15 | 431 | 553 | 9 | 51 row 10 : rc narbonne | 26 | 11 |  | 15 | 533 | 775 | 3 | 47 row 11 : montpellier rc | 26 | 9 | 0 | 17 | 574 | 659 | 10 | 46 row 12 : aviron bayonnais | 26 | 8 | 1 | 17 | 514 | 669 | 9 | 43 row 13 : section paloise | 26 | 9 | 0 | 17 | 476 | 790 | 4 | 40 row 14 : rc toulonnais | 26 | 3 | 0 | 23 | 332 | 837 | 7 | 19
what is the difference in the total points for the club biarritz olympique and su agen?
Club Played Won Drawn Lost Points for Points against Bonus points Points
Biarritz Olympique 26 19 7 694 350 14 90
Stade Français 26 19 7 633 437 13 89
Stade Toulousain 26 19 7 713 427 12 88
USA Perpignan 26 18 8 671 398 12 84
SU Agen 26 15 11 655 540 10 70
CS Bourgoin-Jallieu 26 14 12 591 516 11 67
Castres Olympique 26 13 13 685 559 14 66
ASM Clermont 26 14 12 577 569 7 63
CA Brive 26 10 1 15 431 553 9 51
RC Narbonne 26 11 15 533 775 3 47
Montpellier RC 26 9 0 17 574 659 10 46
Aviron Bayonnais 26 8 1 17 514 669 9 43
Section Paloise 26 9 0 17 476 790 4 40
RC Toulonnais 26 3 0 23 332 837 7 19
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