question: Did Gregg Rolie and Gaz Coombes both play for Santana?
answer: no
context: Title: Gregg Rolie
  Passage: Gregg Alan Rolie (born June 17, 1947, Seattle, Washington, United States) is an American singer and keyboardist.  Rolie served as lead singer of the bands Santana, Journey and Abraxas Pool – all of which he co-founded.  He also helmed rock group The Storm, and currently performs with his Gregg Rolie Band.  Rolie is a two-time inductee of the Rock and Roll Hall of Fame, having been inducted both as a member of Santana in 1998 and as a member of Journey in 2017.
  Title: The Hotrats
  Passage: The Hotrats (originally the Diamond Hoo Ha Men) is a cover band formed by Gaz Coombes and Danny Goffey as a side-project from their main band Supergrass.  The band is named after Frank Zappa's album "Hot Rats".  The duo recorded a set of covers with producer Nigel Godrich for an album entitled "Turn Ons" in the vein of David Bowie's "Pin Ups" which was released in early 2010.  They performed a short UK tour which included the Reading and Leeds Festivals.
  Title: Matador (Gaz Coombes album)
  Passage: Matador is the second solo album by British musician Gaz Coombes.  Recorded at Coombes' home studio and Courtyard Studios in Oxfordshire, it was released on 26 January 2015 on his record label Hot Fruit Recordings via Caroline International.  Coombes himself produced the album and it features appearances by Ride drummer Loz Colbert and Charly Coombes.  The album charted #18 on the UK Albums Chart.  It was nominated for the 2015 Mercury Music Prize.
  Title: Gaz Coombes
  Passage: Gareth "Gaz" Michael Coombes (born 8 March 1976 in Oxford) is an English musician and singer-songwriter, best known as the lead vocalist and guitarist of the English alternative rock band Supergrass.  He first entered the music scene aged sixteen as the lead singer of the band The Jennifers which featured Supergrass bandmate Danny Goffey.  Coombes was noticeable for his large sideburns during the 1990s.
citations: Gregg Rolie Gaz Coombes