Question: Who was the playoff opponent of the team Mark Ross was a member of?

full_context: Document 1: Eric Anthony: Drafted by the Houston Astros in the 34th round of the 1986 MLB amateur draft, Anthony would make his Major League Baseball debut with the Houston Astros on July 28, 1989, and appear in his final game on September 27, 1997.
Document 2: 2017 Major League Baseball season: The 2017 Major League Baseball season began on April 2, 2017 with three games, including the 2016 World Series champions Chicago Cubs facing off against the St. Louis Cardinals, and ended on October 1. The postseason began on October 3. The 2017 World Series began October 24 and Game 7 was played on November 1, in which the Houston Astros defeated the Los Angeles Dodgers, 5 - 1, to capture their first World Series championship in franchise history.
Document 3: Roy Oswalt: Roy Oswalt (; born August 29, 1977) is a former American professional baseball pitcher who played for the majority of his career with the Houston Astros. He also played for the Philadelphia Phillies, the Texas Rangers, and the Colorado Rockies.
Document 4: 2017 World Series: 2017 World Series Team (Wins) Manager (s) Season Houston Astros (4) A.J. Hinch 101 -- 61 (. 623) Los Angeles Dodgers (3) Dave Roberts 104 -- 58 (. 642) Dates October 24 -- November 1 MVP George Springer (Houston) Umpires Phil Cuzzi (Games 1 -- 2), Gerry Davis (crew chief), Laz Díaz, Dan Iassogna, Bill Miller, Paul Nauert, Mark Wegner (Games 3 -- 7) ALCS Houston Astros defeated New York Yankees, 4 -- 3 NLCS Los Angeles Dodgers defeated Chicago Cubs, 4 -- 1 Broadcast Television Fox Fox Deportes MLB International TV announcers Joe Buck, John Smoltz, Ken Rosenthal, and Tom Verducci (Fox) Rolando Nichols, Carlos Álvarez, Edgar Gonzalez, and Jaime Motta (Fox Deportes) Matt Vasgersian and Buck Martinez (MLB International) Radio ESPN Radio ESPN Deportes Radio Sportstalk 790 (HOU -- English) FM 94.1 HD3 (HOU -- Spanish) AM 570 LA Sports (LAD -- English) Univision America 1020 (LAD -- Spanish) Radio Korea 1540 (LAD -- Korean) Radio announcers Dan Shulman and Aaron Boone (ESPN) Eduardo Ortega, Renato Bermúdez, José Francisco Rivera, and Orlando Hernández (ESPN Deportes) Robert Ford and Steve Sparks (HOU -- English) Alex Treviño and Francisco Romero (HOU -- Spanish) Charley Steiner and Rick Monday (LAD -- English) Jaime Jarrín and Jorge Jarrín (LAD -- Spanish) Richard Choi and Chong Ho Yim (LAD -- Korean) World Series Program ← 2016 World Series
Document 5: Houston Astros: The Astros clinched their first division title as a member of the American League West division, and first division title overall since 2001. They also became the first team in Major League history to win three different divisions, the National League West in 1980 and 1986, the National League Central from 1997 -- 1999 and 2001, and now the American League West in 2017. On September 29, the Astros won their 100th game of the season, the second time the Astros finished a season with over 100 wins (the other time was in 1998). They finished 101 -- 61 (with a 21 - game lead in the division), and faced the Red Sox in the second round of the AL playoffs. The Astros defeated the Red Sox three games to one, and advanced to the American League Championship Series against the New York Yankees. The Astros won the ALCS four games to three, and advanced to the World Series to play against the Los Angeles Dodgers. The Astros defeated the Dodgers in the deciding seventh game of the World Series, winning the first championship in franchise history.
Document 6: Mark Ross: Ross was originally drafted by the Houston Astros in the 7th round of the 1979 Major League Baseball Draft. After three years in their farm system, he earned a call-up in September 1982, pitching six innings over four games. He remained with the Houston organization through the end of the 1986 season, with two additional brief stints with the Astros in 1984 and 1985.
Document 7: Ron Davis (outfielder): Ronald Everette Davis (October 21, 1941 – September 5, 1992) was an American professional baseball outfielder. He played in Major League Baseball (MLB) from 1962 and 1966 to 1969 for the Houston Colt .45s, Houston Astros, St. Louis Cardinals, and Pittsburgh Pirates.
Document 8: Houston Astros: Houston Astros 2017 Houston Astros season Established in 1962 Team logo Cap insignia Major league affiliations American League (2013 -- present) West Division (2013 -- present) National League (1962 -- 2012) Central Division (1994 -- 2012) West Division (1969 -- 1993) Current uniform Retired numbers 5 7 24 25 32 33 34 40 49 42 Colors Navy blue, orange, white Name Houston Astros (1965 -- present) Houston Colt. 45s (1962 -- 1964) Other nicknames' Stros Ballpark Minute Maid Park (2000 -- present) Astrodome (1965 -- 1999) Colt Stadium (1962 -- 1964) Major league titles World Series titles (1) 2017 AL Pennants (1) 2017 NL Pennants (1) 2005 AL West Division titles (1) 2017 NL West / Central Division titles (6) 1980 1986 1997 1998 1999 2001 Wild card berths (3) 2005 2015 The Astros also qualified for the postseason in the strike - split 1981 season, losing to the Los Angeles Dodgers in the NLDS. Front office Owner (s) Jim Crane Manager A.J. Hinch General Manager Jeff Luhnow President of Baseball Operations Reid Ryan
Document 9: 2005 World Series: Neither team advanced to the post-season in 2006, but the 2006 World Series again featured teams from the American League Central and National League Central divisions, this time represented by the Detroit Tigers and the St. Louis Cardinals, respectively. The Cardinals won the World Series in five games, in which manager Tony La Russa became the second manager to win the World Series in both American and National leagues, previously managing the Oakland Athletics to the 1989 World Series championship. Both the White Sox and the Astros were in the Wild Card race until the final weeks of the season, with the White Sox finishing with 90 wins, the Astros with 82 wins. The White Sox made their first post-2005 playoff appearance in 2008, while the Astros would not return to the postseason until 2015, their third season as an American League team and would not return to the World Series until 2017, their fifth season as an American League team.
Document 10: 2017 World Series: The game went into extra innings. José Altuve and Correa hit home runs off Josh Fields in the tenth inning to put the Astros in the lead. In the bottom of the inning, Yasiel Puig hit a home run off of Ken Giles and Enrique Hernández drove in Logan Forsythe to tie the game, with the latter being the Dodgers' first run that was not driven in by a home run. In the next inning, George Springer hit a two - run home run for the Astros off of Brandon McCarthy to retake the lead. In the bottom of the 11th inning, Charlie Culberson homered off of Chris Devenski, who later struck out Puig to end the game. This was the first ever World Series game in which a team hit home runs in the ninth, tenth and eleventh inning. The teams set a new record for combined home runs in a single World Series game with eight and this was the first time in MLB history, regular season or postseason, that five home runs were hit in extra innings. The Astros won their first World Series game in franchise history as they had been swept in their previous appearance in 2005.
Document 11: World Series: In the American League, the New York Yankees have played in 40 World Series and won 27, the Philadelphia / Kansas City / Oakland Athletics have played in 14 and won 9, and the Boston Red Sox have played in 12 and won 8, including the first World Series. In the National League, the St. Louis Cardinals have appeared in 19 and won 11, the New York / San Francisco Giants have played in 20 and won 8, the Brooklyn / Los Angeles Dodgers have appeared in 18 and won 6, and the Cincinnati Reds have appeared in 9 and won 5.
Document 12: Houston: Houston has sports teams for every major professional league except the National Hockey League (NHL). The Houston Astros are a Major League Baseball (MLB) expansion team formed in 1962 (known as the "Colt .45s" until 1965) that made one World Series appearance in 2005. The Houston Rockets are a National Basketball Association (NBA) franchise based in the city since 1971. They have won two NBA Championships: in 1994 and 1995 under star players Hakeem Olajuwon, Otis Thorpe, Clyde Drexler, Vernon Maxwell, and Kenny Smith. The Houston Texans are a National Football League (NFL) expansion team formed in 2002. The Houston Dynamo are a Major League Soccer (MLS) franchise that has been based in Houston since 2006 after they won two MLS Cup titles in 2006 and 2007. The Houston Dash play in the National Women's Soccer League (NWSL). The Scrap Yard Dawgs, a women's pro softball team, is expected to play in the National Pro Fastpitch (NPF) from 2016.
Document 13: 2017 American League Championship Series: 2017 American League Championship Series Teams Team (Wins) Manager Season Houston Astros (4) A.J. Hinch 101 -- 61 (. 623), 21 GA New York Yankees (3) Joe Girardi 91 -- 71 (. 562), 2 GB Dates October 13 -- 21 MVP Justin Verlander (Houston) Umpires Mark Carlson (Games 3 -- 7), Gary Cederstrom (crew chief), Chad Fairchild (Games 1 -- 2), Chris Guccione, Jerry Meals, Jim Reynolds, Hunter Wendelstedt ALDS New York Yankees defeated Cleveland Indians (3 -- 2) Houston Astros defeated Boston Red Sox (3 -- 1) Broadcast Television FS1 (Games 1, 3 -- 7) Fox (Game 2) TV announcers Joe Buck, John Smoltz, Ken Rosenthal, and Tom Verducci Radio ESPN Radio announcers Jon Sciambi and Chris Singleton ← 2016 ALCS 2017 World Series
Document 14: 2017 World Series: 2017 World Series Team (Wins) Manager (s) Season Houston Astros (4) A.J. Hinch 101 -- 61 (. 623) Los Angeles Dodgers (3) Dave Roberts 104 -- 58 (. 642) Dates October 24 -- November 1 MVP George Springer (Houston) Umpires Phil Cuzzi (Games 1 -- 2), Gerry Davis (crew chief), Laz Díaz, Dan Iassogna, Bill Miller, Paul Nauert, Mark Wegner (Games 3 -- 7) ALCS Houston Astros defeated New York Yankees, 4 -- 3 NLCS Los Angeles Dodgers defeated Chicago Cubs, 4 -- 1 Broadcast Television Fox Fox Deportes MLB International TV announcers Joe Buck, John Smoltz, Ken Rosenthal, and Tom Verducci (Fox) Rolando Nichols, Carlos Álvarez, Edgar Gonzalez, and Jaime Motta (Fox Deportes) Matt Vasgersian and Buck Martinez (MLB International) Radio ESPN Radio ESPN Deportes Radio Sportstalk 790 (HOU -- English) FM 94.1 HD3 (HOU -- Spanish) AM 570 LA Sports (LAD -- English) Univision America 1020 (LAD -- Spanish) Radio Korea 1540 (LAD -- Korean) Radio announcers Dan Shulman and Aaron Boone (ESPN) Eduardo Ortega, Renato Bermúdez, José Francisco Rivera, and Orlando Hernández (ESPN Deportes) Robert Ford and Steve Sparks (HOU -- English) Alex Treviño and Francisco Romero (HOU -- Spanish) Charley Steiner and Rick Monday (LAD -- English) Jaime Jarrín and Jorge Jarrín (LAD -- Spanish) Richard Choi and Chong Ho Yim (LAD -- Korean) World Series Program ← 2016 World Series 2018 →
Document 15: José Herrera (1960s outfielder): Herrera was signed by the Houston Colt .45s as an amateur free agent and made his debut with the team after it became the Astros.
ground_truth: Red Sox
sub_queries: Mark Ross >> member of sports team Answer: Houston Astros
who did Houston Astros play in the playoffs Answer: Red Sox